E46 catless headers pros and cons. Mileage under 200k km.

E46 catless headers pros and cons I tried to explain there is no way that my exhaust is causing the problem, he wasn't having it. I purchased ByteTuner when it first came out around Thanksgiving 2018. You may have to register before you can post: click the register link above to proceed. Any suggestions, really don't wanna go with eBay ones. Side question - After installing my catless headers with no post-cat 02 sensors and SAP deleted I have no check engine light. 4 seconds Stock car, measured 0-100 km/h = ~8 seconds (according to speedo) Ebay headers, post-cat O2 delete without dyno/performance tune = ~7. Check out the ms4x. There’s rarely an in-between. Just trying to decide which one I should get. I was wondering if anyone has ever put catless headers on an M56 engine? I have a 2006 325ci and I love my car, but I was disappointed when I found out it had an M56 in it. Show more replies. See less See more Save Share Reply Quote Like. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks 34K subscribers in the e46 community. I have a Yes catless headers change the sound and feel of the car noticeably, yes you need to tune for them, and if the tuner says he can't get you to pass emissions, then you'll need to buy a catted header. Should you Install Headers? The Pros and Cons. As a replacement for your factory BMW exhaust manifold, our BMW headers provide a more direct path for exhaust gasses leaving your engine. I had my Cat 1 changed 40k miles ago so I don't why it got clogged again but I just wanted to get rid of the issue from the root and gain some ponies if possible. Click to expand Only with windows down. Unless you've done it many times before, headers on E46 are a pain. Where would I find these, and would I need them for every brand of the ebay headers? 2. 3155 posts · Joined 2016 Add to quote; Only show this user #2 · Sep 1, 2023. Loading. After a week the 330 is back up and running with the new catless headers a few tips. 1484 posts · Joined 2020 Add to quote; Only show this user #5 · Jan 20, 2023. What's New; Forum Listing; Products; Marketplace; Showcase; Gallery; Advanced Search ; Members; FAQ; Dark Mode Light Mode We may earn a commission for products purchased through links on this page Menu I've been looking for catless headers for my 325xi m54b25. A muffler delete can be a great way to . in texas they do the sniff test and make sure cats are working correctly so you would have to put them back on. I’m looking into getting stainless steel catless headers for my 2003 bmw 325i, 328I E46 (M52B28TU)-Siemens MS43 Ecuswap-M50B25 Intake Manifold-Schmiedmann S Catless Headers-M3/Alpina B3s Pink Tops injectors-N52B30 77mm throttle body(62mm stock)-Cold air intake-Idle Air Control I have a friend with toys and he sold me this after he sold him E46 M3. E46. Thing is that wires are short and Headers are by far the easiest and cheapest performance mod you can do to your E46. Im looking for a “tasteful” tune for the car that more focused on performance and drivability then pop/bang/flames (not my thing). Cant find this covered anywhere else on this forum. No wonder BMW E46 intake manifold and E46 M50 manifold swap have many merits, but the M54 intake manifold is also impressive for your engine if you know ways to Question about catless headers 325i. 23 posts · Joined 2021 Add to quote; Only show this user #1 · Jul 4, 2021. Some may like it and others may n See a video of my e46 m3 before and after catless SGT header install, both with magnaflow catback So, What are the pros and cons to a catless downpipe? I'm either getting the Fabspeed catless or catted. E46Snoozy Discussion starter 80 posts · Joined 2021 Add to quote; Only show this user Currently the car has 63. r/e46. comments sorted by Best Top New Controversial Q&A Add a Go to e46 r/e46. Hi , Im currently doing some research on my next purchase. The proper order for you to grasp this stuff briefly is to first learn what a manifold and a header are, delve into their It seems like equal length headers are standard for nearly all vehicles, but I see a lot of enthusiasts claim unequal length headers are superior Skip to main content. 2 posts · Joined 2018 Add to quote; Only show this user #1 · Jan 29, 2018 (Edited) I drive a 2003 330xi. M. 91 rear end, heavy duty drive shaft, Conforti Shark injector tune, AFe cold air intake, Fab Speed catless headers and squelch midpipes,and Megan Racing exhaust. The car has been reliable, and like This is my M3 with a Magnaflow catback and newly installed Ebay catless headers. Beginning-Ratio-5393 • Additional E46 pros and cons. 1988 E30 M3 / Alpine on Beige (5MT) || 1998 E36 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Question 1) Can I delete my secondary air pump without having it I have an E46 M54B22 and I am trying to find information on catless headers on the 2. I see all the tunes seem to offer o2 simulation but none offer egt delete . I see a lot of header-x pipe combos just wondered about the pros and cons of the ones with high flow cats or ones with no cats at all, im in a state that doesn't E46 General. Am I in the wrong saying my exhaust is ABSOLUTELY not the issue with the trim. Excited to see these bad boys put in work! See less See more 1 Save Share Reply Quote Like. thanks! Save Share E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. I installed the o2 sensors exactly how they’re supposed to be using this diagram: Anyways now that I’ve been driving it around the idle seems to drop a little sometimes randomly. Our professionals are here to help make sure you find the answers you need to your questions and We may earn a commission for products purchased through links on this page Secondary cat delete pros and cons. and a little expensive if you paid a BimmerBrakes Stainless Steel Headers [E46 Non-M](Pics and Videos) Jump to Latest 20K views 50 replies 23 participants last post by drivebyjonny Dec 21, 2014. New comments cannot be posted. psr-parts. Get app Get the Reddit app Log In Log in to Reddit. Jump to Latest 7K views 14 replies 9 participants last post by Simon P. Advanced Search Cancel Login / Join. I haven't gotten into the exhaust for my E46 yet so this is just my general experience from modifying V12 and V8 exhausts. Not neccesarily, It wouldnt be A to B to C, it would eliminate some (not all) of the restriction in the stock header while cons- depending on how your state does inspections you may have to put the cats back on every year. Will have to test drive both), etc. Yet, compared to many cutting-edge automotive engines, like the BMW M50 intake manifold, it lacks a little power. Yes they will bolt to the head no If you replaced the stock exhaust manifolds with headers and put on a high flowing aftermarket cat, or got rid of the cat, this would be a different story. My question How to pass NoVa Emissions with Catless headers. I believe most tuners are "sharing" the same tune. 75” Stainless Steel; Titan™ finish for added durability ; Modular design allows for use with OEM components; Developed for best balance of low end and top end power. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada if its a Euro spec, your stock headers are fine, but if you want to save a few bucks, you can gut the cats for a more free flowing exhaust set up; works the same as catless. And depending on where you are it won't pass inspections. Thankfully I live in a non emissions state ( but NO racetrack!) Sound will def be louder. 5i (M54 motor). jdstrickland. Well, sometime soon i will be jumping from a MB to a BMW I currently have a 500SE MB 1980 w126. It has a nice tone and lots of pops to go with it. taking out the headers is simple if you use swivel sockets. BMW M54 E46/E60/E61 320I/325I/330I 2. •Where can you get your headers? Check out the link below for the best deals on great quality headers and gask E46 (2001 - 2006) If this is your first visit, For those with catless headers, only sensors that matter are pre-cat cyl. Home DCE Parts - Catless Race Headers for BMW M52TU M54 320i 323i 325i 328i 330i E46 Z3 Through the placement of the catless race headers for the M52 TU and M54 engines, you will ensure that your engine gets a better flow due to a lower back-pressure. Skip to main content . I mean the software was only Just finished installing catless headers. If anyone has any suggestions would love to know your thoughts. The question is whether the catted header power gains worth the value for money. However, they also come with potential legal issues, higher costs, and installation challenges. I did have it tested when I was running headers just to see how clean they are. Size the pipe for the hp. Blacktree I have seen some of your e46 videos recently on YouTube keep up the good work sir I’ve enjoyed them very much! I was trying to find the link to the headers you bought on eBay in your YouTube video but could not find them! Save Share Reply Quote Like. net wiki for more info on tuning the MS45. 0L, 6 Cylinder OBX Pro-Series High performance exhaust systems are Dyno tested at low end and top speed to increase horsepower. I'm going to purchase some catless headers for my 330i ZHP soon, and don't want to deal with the CEL. Andy1GP ///Member. Headers prevent your BMW's exhaust pulses from 'fighting' one another as they leave the head. Precision mandrel-bend to enhance exhaust Catless headers smell? Jump to Latest 5. 158 posts · Joined 2013 Add to quote; Only show this user #26 · Jun 2, Doing a full swap of my Supersprint SS headers with Active Autowerke headers because I just finished adding a supercharger. NZ00Z3. Some of this is budget, some of it is what you want to do with the car, etc. From supercharger kits, headers, and exhausts, to suspension and ECU tuning for your E46, we have it all. If I had catless headers, I would likely have a muffler shop weld in a dual inlet/exhaust aftermarket cat Description: Looking for an easy way to watch the performance numbers of your BMW E46 325I 330I climb? It really is a simple solution! I am well aware of what there is to know on headers for e46's, and know exactly what my particular set up would sound like with them, LOUD. Even many of the reputable aftermarket headers require a lot of tampering to get to fit properly. Log In / Sign Up; Advertise on Reddit; Shop Active Autowerke Headers and Exhaust Jump to Latest 2. Blacktree. I. He said the problem was my catless headers. Is it worth it to go bigger or no? Can't seem to find many answers on the forums. Noxious unburned gas fumes to the people behind you. Hi I am new to BMW's. Do you have a part number for just the sensor? I tried to find my previous order on ebay/amazon, Which o2 do i use for catless headers. I would use a smaller pipe (2. Precision designed for perfect Catless headers, with high flow cat. 7K views 5 replies 3 participants last post by M55325ci Feb 26, 2021. Thanks . x ecu. 30 posts · Joined 2012 Add to quote; Only show this user #1 · Nov 9, 2012. I was mearly suggesting cutting the cats out of the stock headers and putting in high flows down the line. Wow, a few of those header nuts were very rediculous to access. I just want it to sound good. It all starts from when I installed my catless headers on my car. What would you do? Machine Spirit Miami is back! For our return from hiatus we have a full bolt-on 2004 E46 M3 with catless headers and Dinan exhaust. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada 2002 325ci bmw catless headers e46. Bimmer breaks doesn't have it on stock I found another one but idk if it good. The DCE Parts Catless Race Header is a lightweight header design, channel . 97 posts · Joined 2017 Add to quote; Only show this user #1 · Jul 14, 2022 (Edited) So, I got catless headers from Schiedmann installed today and got a problem with pre cat O2 sensors. K. might sound dumb for asking this question but i’ve installed my headers and i saw a post on the forums say only need one set of o2 on since im getting a tune but i can’t tell which o2 to use any help do i use the top o2 or the bottom ones comments sorted by Best Top New Controversial Q&A Add a Comment. S. Thank you! Locked post. M55325ci Discussion starter. This is an older thread, you may not receive a response, and could be reviving an old thread. Jump to Latest 15K views 7 replies 4 participants last post by RXP rider Aug 22, 2011. Was putting on my new catless headers Headers are a bolt-on component that will make a huge improvement in how your BMW performs. wasn't too hard, the longest part for me was taking out the midflange bolts where the headers meets the mid pipe. caliber666 Discussion starter. Sounds isn't ideal but I haven't played around with anything past the Section 1. jayman33 Well-Known Member. 5K views 16 replies 9 participants last post by Lalo_e46 Feb 22, 2022. 25" OD) (and then use the tip size you want) to help create some back pressure (at least conceptually). Might even do the whole system. 5L/3. My favorite is a varex muffler and delete both resos and stock muffler- with stock headers. Diamond Sponsor. I think someone mentioned there are simply a ton of variables. Thinking of going catless in section 1. US OEM. From there I'll want quieter since I drive this car on the Now, a tune. Cons: Is 100% Illegal, Federally, and in all states. 2K views 3 replies 3 participants last post by ctlikon Feb 14, 2018. sharkey62 Discussion starter. Add to quote; Share Only show this user. Any larger than needed only makes it louder. NOTE: HEADER SYSTEM IS DESIGNED FOR OFF ROAD USE AND RACING Active Autowerke offers some of the most powerful and popular BMW E46 tuning products on the market. A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. It only requires that you Im looking to buy new headers for my 99’ 328i, all the posts in my area are for M54 engines and was curious if the M54 headers will fit on a M52tub28 . Now obviously I have an ses light due to missing both post cat o2 sensors and egt sensor. Some mufflers in combination with the exhaust system will make a droning noise at certain engine RPMs, the resonators are there to cut down on this. JapanRot325ci Discussion starter 1934 posts · Joined 2013 Add to quote; Only show this user #1 · Oct 30, 2014. Many folks have had good results with high flow cats and quality headers. Pro are more hp out of the x pipe over a catted pipe. SuperchargedE46M3 Discussion starter. Hi I have a 2004 330i ZHP with catless headers and I'm getting an o2 code for I have a 325ci with headers, sap delete and a shielded cai. It is a new 400 cell and it is for track use only in California. There's a thread in the "Driveline, Engine & DME Anyone know of any cheap RHD catless headers ? All the eBay ones are LHD. 5" Resonated Race Exhaust w/ diffuser | Epic Motorsports Race Tune | BAC Filter | BW Intake Elbow ~Tein S-Tech Lowering Springs | Sebion CF hood | CF Kidneys | Ümnitiza Predator Orion V4. 11013 I've done a search on pros and cons (where electroM3 decided to get a 330 instead of the M), to SMG or not to SMG (still undecided here. Jump to Latest 4K views 10 replies 9 participants last post by t1gerb0y Sep 27, 2006. Mr. These headers offer several benefits, including improved performance, enhanced engine sound, and increased horsepower. Open comment sort options Best; Top; New; Controversial; Q&A; Add a Comment. Shiny and Decorative, High-flow performance exhaust manifolds for Today's Posts; Member List; Calendar; Forum; Vehicle Discussion; E46 (2001 - 2006) If this is your first visit, be sure to check out the FAQ by clicking the link above. I was interested in catless headers even if the original cats were fine. It When it comes to the pros and cons of headers, we’ve covered quite a lot of the spectrums in this article. I have always been happy with the results on an e46 m3. The end result is C6 Corvette General Discussion - Headers- cats or no cats? - I know there are other exhaust threads but none really had info for what I was looking for. 5 piping is beneficial or not over the factory 2. The DCE Parts Catless Race Header is a lightweight header design, channel AA software will take care of it if you tell them you have headers. Looking for the typical warnings/recommendations on e-bay products. Jump to Latest 810 views 0 replies 1 participant last post by Jbp Feb 20, 2023. 384 posts · Joined 2011 Add to quote; Only show this user #1 · Aug 21, 2011 (Edited) Hey guys I had a set of headers installed recently and everything seems to be running great so far. I was mearly suggesting cutting Currently the car has 63. zache46330ci Discussion starter 1 post · Joined 2019 Add to quote; Only show this user #1 · Jun 25, OBX 99-04 BMW E46 DUAL TIP CATBACK EXHAUST SYSTEM 99-04 BMW E46 325i/328i/330i CATBACK SYSTEM Chassis: E46 Pipe Diameter: 76mm Chassis: E46 Engine: 2. BMW E46 M3 Headers DIY! Reactions: Bali. Might look into catless headers and then a pair of AR20 resonators down Hello all, So I've bought E39 (catless) stock headers for cheap and would like to heat wrap/port/install them instead of the ones that come stock on E46's, to gain something like 10-15 hp, but also because I'm highly suspecting that at least one of my cats is shot ("echo" sound coming from where they sit, pops and crackles on throttle release and last but not least: I I have a 2001 BMW Z3 2. 1. Content on E46 Fanatics Forum is generated by its users. if its a US spec. just look at a stock USA E46 non-m exhaust manifold-downpipe and it’s clear the bottleneck in the flow. Saab74 SupaTuna Posts: 123 Joined: Wed Jun 26, 2019 8:31 pm Has thanked: 109 times Been thanked: 38 times. As for rasp it won't sound that bad as some May make it seem. PB BLASTER FOR THE WIN; Save yourself the hassle of trying to separate the nut from the stud, buy new studs and nuts they’re really cheap and you’ll have a clearer conscience knowing they’re new and not rusty. Jump to Latest 317 views 0 replies 1 participant last post by sabraxat Sep 22, 2024. Z. BMW E46 328i with the DCE Parts Catless Headers and 200 Cell 330i Midpipe with Eisenmann Race MufflerVisit the product link below:https://www. Be sure to check out the Active Autowerke E46 BMW rear exhaust for even more horsepower! Fitment: BMW E46 325i & 330i . Samadyzm Discussion starter. Don’t My favorite is a varex muffler and delete both resos and stock muffler- with stock headers. I probably won't be installing Pros and Cons? Pros: Fun to drive Revs and revs Nice looking car Priced well for performance compared to others Still a cool car to drive - get looks from good looking women at gas station Cons: Expensive to maintain - even oil change is over $200 unless you do yourself Stupid repairs - like door actuator - $500 to fix because need to take off windows. 1 post · Joined 2023 Add to quote; Only show this user #1 · Sep 22, 2024. 33K subscribers in the e46 community. I want to get some catless headers for it and was thinking AA's headers should fit the Z3 as well because they have the same exact motor. It’s certainly a unique and immediately recognizable exhaust tone, one that people either love or hate. r/e46 A chip A close button. ~SGT catless headers|Full BW 3. Save Share Reply Quote Like. In this article, we will explore the pros and cons of long tube headers, helping you make an informed decision for your vehicle. need an advice on which software is best to buy that would work well with ebay All things being equal on a boosted 6. The OEM muffler is extremely heavy (50+lbs), and it doesn't seem that any of the section 3's make a significant difference in power. SAP Delete ISO Catless Headers for a M54 . The largest pro in my mind is the weight savings. Mileage under 200k km. E. The cost : took me 3 days to install headers. Jump to Latest 33K views 36 replies 17 participants last post by Stinger9 Nov 18, 2012. 777eThOd* Discussion starter. That's where the potential power increases come from, not from deletion of the cat. Installed two vibrant 1790 resonators to tone down the rasp and drone on my catless E46-stock 2in piping with one oem resonator deleted and replaced with vib Installed two vibrant 1790 It's obviously very important that the header fits well. under the headers with respective ECUTEK Tuning. Sort by Oldest first Oldest first Newest first Most reactions. I was wondering what u guys due to eliminate the ses light. When reinserting new stud use double nut technique it’s fast and I am well aware of what there is to know on headers for e46's, and know exactly what my particular set up would sound like with them, LOUD. I even checked the part numbers of the oem exhaust manifold from the e46 325i and the Z3 and they have the same part number. KieranG. In my opinion, great headers. Exhaust setup on the e46 Catless Headers No resonators Borla pro xs muffler #e46 Catless Downpipe pros and cons. and some states like california As the title says what are the pros and cons of a muffler delete? I'm looking for an inexpensive way to upgrade my exhaust sound so it's obvious that it's not stock. most car communities shun this sort of behavior; for whatever reason the e46 folks think removing perfectly good catalysts on a daily driver is acceptable – it is absolutely not. I am not gonna do heavy mods to it. 5mm (2. 04-23-2014 Catless headers really make these things rasp city so it just sounds like a loud bee buzzing down the road. 6 posts • Page 1 of 1. Joined Aug 9, 2014 Threads 197 Messages 2,619 Reaction score 1,072 Location Fort Bragg, NC First Name Jason Vehicle(s) 15 PP Apr Alright so im pretty new to the e46 performance scene, after 8 months of owning my 330ci i finally wanna see my performance numbers increase! but something ive noticed ever since getting my beamer is that finding great fitting headers are a nightmare for our chassis. the cats are build into the headers, but you can 330i headers and complete exhaust on 323i? Tags 323i 330i catless exhaust headers. Compared to the catless ones, where the gains are pretty much known, how much less gains are there with catted headers, for the exact same set up? And when I am talking abt headers, I mean both EL and UEL Question Installed catless headers QUESTION O2 sensors. Factory declared 0-100 km/h = 7. Open menu Open navigation Go to Reddit Home. The stock BMW E46 M3 header design came with two 200-cell catalytic converters in total, which are attached to each of E46 M3 Euro CSL Headers and Status Gruppe Headers. My personal plan on this car is the spec E46 headers (really just E36 manifolds) and Y pipe. Current setup is: -CPI headers -Status Gruppe Section 1 w/ HFC -Stock Section 2 and Muffler Hey this is my last resort on fixing my 2004 330i Zhp. You might opt for the DIY route to Catless and SAP delete HELP. 27064 Views 77 Replies 35 Participants Last post by Alex323Ci, Aug 9, 2011. I would like to buy a pair for my car. BMW has Cons are it's sounds raspy(but also depends on the rest of the set up) , it leaves a smell (some actually like it). Moosecakes. Our reputation has been proven on both the street and the track - making Active Autowerke your go-to choice for BMW E46 3-Series tuning! I, too, am running CPI headers. He wants to replace the stock manifolds with catless headers. Currently installing catless headers. Right now I have a muffler delete and both resonators deleted. 1 Hemi with long tube headers, would catless mid pipes make substantially more power than the hi flow cats? I know about the exhaust fumes without cats and is tolerable if the HP diff is great. Better sounding exhaust with the right mufflers. It consists of six individual 1. 0 Reply. Otherwise don’t smell Package Contents: Megan Racing Stainless Steel Header - MR-SSH-BE46M3 Application Fitment Guide: Model: Years: For BMW M3 (E46 LHD ONLY) 2000-2006 Megan Racing Stainless Steel Headers are made of thick T-304 Stainless Steel and are mandrel-bent to form and fit your particular application with the best performance r Most people who upgrade their M54 headers often find that the exhaust note becomes similar to the tinny, metallic rasp produced by the S54 engine planted in the E46 M3. Bypass and delete SAP and Rear O2 sensors for your catless headers and track cars. Supersprint group buy Was curious if anyone has purchased the status gruppe cat less headers for their m3 and what your thoughts are on them, I've been browsing around for headers and stumbled upon these for $900, I was going to match supersprint headers with my supersprint exhaust but their $2500 and thought I'd see what other people thought first. I’ve heard they increase power/torque in every rpm, on the B30 at least, but I haven’t found any Can someone who has decat their e46 M3 provide me with pros and cons of doing so as I plan to decat my e46 M3 but not sure if its a good idea. Final Thoughts. I’ve played with a few different setups on my car. Will also require fabbing up the connecting to the exhaust system. 51 posts · Joined 2022 Add to quote; Only show this user #1 · Feb 20, 2023. I installed a 3. Car seems to have a little more low E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Or should I just get a dyno tune and be done with it. 8 posts · Joined 2020 Add to quote; Only show this user #1 · Feb 25, 2021. Sponsored . ianeatsdonuts You said section 1 so despite your profile I assume you do mean an S54. 9K views 2 replies 3 participants last post by daniel_f. Aug 7, 2022. Best buck for HP ratio by far. You can get a good comparison at how each of the headers look with a side-by-side comparison. That being said, I didn't have a CEL with an OFT tune, and worst case just swap the headers for emissions testing then swap back to the catless. Any recommendations? I have a set from Active Autowerke that are quite nice. 2. 1 2003 330i ZHP Below are all the current headers available for the E46 M3. No drone, no rasp, just the sound of the engine beefed up a bit. Does anybody know of a cheaper alternative? Btw codes thrown are BMW e46: $135-$145: Dodge Charger: $115-$125: Infiniti G37: $200-$250: GMC Sierra: $135-$145: Mazda 3: $110-$120: Golf MK6 GTI: $110-$120: BMW e90: $125-$135 : How to Do a Muffler Delete. 2K views 5 replies 4 participants last post by HAHA AMG Mar 31, 2014 Catless pros:-more power? Would it be a negligible amount?-cheaper-ability to do cam tune if I'd want to in the future. Sort by Oldest What are pros and cons of removing CDV. 1-6 correct? "matter" depends on interpretation, but if you mean performance, yes - Precat bank 1 (1-3) & bank 2 (4-6) Originally posted by Thoglan View Post. He has a 330i. Save Share. Why JOM? Well, ECS I installed ebay catless headers on my already loud e46, I ended up installing a Magmaflow muffler. Featuring high pitched ra Anything else I would need to change so that I do not get a light after my catless headers and aftermarket catless section 1 is installed? I am not worried about passing smog as I know a guy. Also, anything other budget systems worth looking at. sabraxat Discussion starter. O. If you love the rasp you get around 4000rpm imagine that starting from 2000rpm and being around 2-3 times louder. Tags headers. Jump to Latest 13K views 32 replies 16 participants last post by Obioban Feb 23, 2022. Catless Downpipe pros and cons. Jump to Latest 798 views 1 reply 2 participants last post by Vorsprung Jul 14, 2022. Better fuel options. 8/3. This creates a not ready state for the catalyst monitor, O2 E46 M3 Euro CSL Headers and Status Gruppe Headers. Any advice on header at all Replace the stock pipe with a high flow S197 X-Pipe and catalytic converter or an off road catless pipe to get the most out of your Mustang. most of these “eBay” headers are replicas of the Super Sprint design. 39 posts · Joined 2020 Add to quote; Only show this user #1 · Feb 18, 2022. 75″ primaries mating to one 3. The Catless is also $800 cheaper, but I heard if it's catless and you anti-lag, that it could kill the engine hella fast. does anyone know where I can get catless headers for my e46 325ci 2002 that is a perfect fit do the environment and everyone breathing air around you a favor and keep your cats. People running catless did you reinstall both heatshields? Didn't feel like messing with them for now so currently running with them off. Before install the car ran mint like brand new off the lot, after the catless header install the car became no more then a show car. Trust me, you don't want to make the header job any more difficult than it has to be. #e46 #revmatchmotorsports #330ci #catles E46 Forums. Therefore, if you want a CEL-free tune from running catless headers, the cheapest, yet positively reviewed tune, is 404 dollars I've got a 2003 ZHP sedan and have Bimmerbrakes Gen3 catless headers. . Catless headers, which brands have the best fit? Cleaning both of these guys up for the summer, plan is to go catless w/ the ‘stage 3’ rev match tune. tgifadi Discussion starter · May 6, 2008. Jump to Latest 1. TTERRA Discussion starter. 843 posts · Joined 2010 Add to quote; These E46 performance headers are constructed completely from 100% polished 304 stainless steel and the gains produced have been dyno-tested. A. Dirty330i Discussion starter. Also the cars throttle response isn’t consistent sometimes (it’ll kind of putter and then kick in normal sometimes). O Question : Once catless headers are installed , can the you smell the combustion/exhaust fumes in the cabin? I currently have stock headers with RE midsection and Eisenmann Exhaust. for example in oklahoma there is no state inspection so half the cars and trucks here are catless. I am wondering if going with 2. it was all rusted and had no torch so pretty much drenched 2 cans of PB blaster on the nut. Thanks! Upgrading to catless headers and getting a custom sec 1 and sec 2 made. unless I can pay off a private inspection shop but I rather not get caught doing illegal things. We recommend that you look up a video clip to make sure that Pros: Better performance, not much, small HP increase, up to 5. I hear lot of talk from Turbo folks with downpipe where catless makes sense if can bare the smell (and sound). With the help of the MS4x wiki, I was able to turn of diagnostics for the secondary O2 sensors and secondary air pump, which I had removed. Hi guys! Here's an interesting video I found BMW E46 330 XI , automatic transmission. Swapping out the header without a tune may only net 10-15 WHP. 0L Catless Headers Enhance BMW E46 3-Series (323i/328i), E39 5 ~SGT catless headers|Full BW 3. ik47 Discussion starter. I heard of people saying they need o2 extensions because the ones on some of the ebay headers do not reach or something like that. J. Acbigshot Discussion starter. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! Show Less . egutie6970 Discussion starter 4 posts · Joined 2006 Add to quote; Only show this user #1 · Sep 24, 2006. 15 posts · Joined 2021 Add to quote; Only show this user #1 · May 29, 2021. ive done my research for the last 4 months i had finally found the perfect header, (bimmerbrakes ss v1 So my e46 is old, closing in on 200k miles and I finally did a bunch of maintenance for it over the past weeks (all 3 diff bushings, m3 motor mounts, steering guibo, oil pan gasket (wired oil pump nut too), rear trailing arm bushings, catless headers and last night, JOM coilovers to replace my sport suspension with the horrible Koni Orange Struts. 35 posts · Joined 2022 Add to quote; Only show this user #1 · Aug 5, 2022. Also, the Shark Injector is known to be garbage since Turner purchased it. But as far as header fitment goes Looking for quality catless headers, seems like everyone recommends BimmerBreaks but I can't find any for sale. Bimmerpost ☰ Model Selection. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. For those wanting to see more of BMW's 4th generation 3 series, the beautiful and timeless E46 Members and has the Schmiedmann center section with high flow cats and catless headers. The reason I went with Headers is that my Cat 2 was completely clogged and my Cat 1 was partially clogged. As for the smell you Advanced Search Cancel Create thread New Forums More Login / Join Your Facelift and ZHP car is not alone anymore! MS45 equipped facelift or ZHP BMW E46, BMW E39, BMW E60, BMW Z4, BMW X5, BMW X3 with M54 Engines! We are proud to have truly mastered the MS45. The name is rnjperformance. Obioban. I ended up getting it tuned for o2 and sap Out of nowhere, they started producing special ARH E46 M3 headers which is 6 into 1 long tube header design for the S54. I will answer the questions regarding how mu Explore the benefits and drawbacks of 396/402/427/454 long tube exhaust headers for your vehicle︱Discover how these headers enhance power, sound, and fuel efficiency, while considering factors like installation complexity and cost︱Make an informed choice for I installed catless stepped headers on my e46 M3. I'm having a hard time justifying the $200. Does this mean a Stay tuned For more BMW e46 mods and tutorials. 8L M52TU) New plugs and coils, vanos seals and valve cover gasket are going to be done this weekend or next and then i’ll update. Unfortunately I can't Mandrel bends, smooth transitions, flowing collector. which software for catless headers? 1570 Views 6 Replies 6 Participants Last post by M VENOM, May 8, 2008 Jump to Latest T. D. I'll provide the link now . Jump to Latest 9. Jump to Latest 21 - 33 of 33 Posts. This ews editor looks to be very quick, convenient, and not require the tedious task of scraping the coating off the MCU on the EWS electronics board. F40Model Year: 2019 + If you going to go catless just buy an aftermarket x pipe. I am already gonna replace Was putting on my new catless headers back in October of 2021, this is the video of both headers completely open and detached from the rest of the exhaust. cs_e46 • im I guess if I REALLY want catless headers, I could swap on my old ones and have it inspected. I know that I have to code to eu2 specs because of the post cat o2 Shiny and Decorative, High-flow performance exhaust manifolds for 1999-2006 BMW E46 325/330 or 323/328 (m54 or m52tu) does not fit RHD models *These are intended as home/office decoration and not to be installed in any way that violates your local laws, Revmatch Motorsport is not responsible for a . 5/2. They passed with Today will be overviewing the catless ebay headers I installed on the car with a full sound checkSkip to 4:30 for sound check ;)Feel free to follow me on soc There's not really any parameters you set for the headers, other than to tune out the lower O2 sensors if you're catless. Log In / Sign Up; Advertise Catless Headers. Kirk at AA has some awesome prices on their software, however if you want the catless CEL delete added, it's an additional $200! The sale price on their software was $250. 158 posts · Joined 2014 Add to quote; Only show this user #2 · May 2, 2014. 14 posts · Joined 2015 Add to quote; hey, does anyone perchance know where i could pick up catless headers for my 2005 BMW 330xi. Better MPG Breathes better. Might look into catless headers and then You can install E36 stock manifolds and then custom fab high flow cats down stream. Now with the EWS editor lite, there are pros and cons. AlexM3NY Discussion starter. E46 General. DCE Parts - Catless Race Headers for BMW M52TU M54 320i 323i 325i 328i 330i E46 Z3 Through the placement of the catless race headers for the M52 TU and M54 engines, you will ensure that your engine gets a better flow due to a lower back-pressure. Bimmerforums is the preferred online BMW Forum and community for BMW owners. com/p BMW e46: $135-$145; Dodge Charger: $115-$125; Infiniti G37: $200-$250; GMC Sierra: $135-$145; Mazda 3: $110-$120; Golf MK6 GTI: $110-$120 ; BMW e90: $125-$135; It’s important to note that these prices are just estimates and may vary depending on your location and the specific parts you need. r/askcarguys A chip A close button. of headers that either will mate up (welding with a flex pipe to the cat or a header cat combo that doesent break the bank. The car is supercharged with AA setup. how many Miles/Km's does it take for your CEL to kick in after catless headers? it's been a month and 3 weeks since i installed headers. Hello guys, I just installed new headers to my m54 engine and removed the air pump. A resonator is for sound control. Jump to Latest Running great! Pros and cons of FI, but I think I'm going to purchase the VF stage 1 kit. Explore Our I've had the catless headers for quite a while now and after they were installed my car seems to have a lean mixture. 25 for performance gains? I have a cold air intake, so no forced inductionyet. Share Sort by: Top. If EU2 was meant for catless headers anyway is there really that much to be gained from a chip? Also a few questions about chips, what chip would you recommend for headers? Shark is good and all but id rather get something specifically optimized for catless headers. 9K views 48 replies 18 participants last post by Gear_Grinder Jul 14, 2021. I have read a few posts on here when I have been searching for information on clutch delay valves. Expand user menu Open settings menu. 5″ section 1 all made in T304 Now my issue is not the headers themselves its weather in this thread in this sub-forum in the entire site. Depending on which forum you read, someone stole it, but it's he-said-she-said. S197 Catted X-Pipe Key Features. This exhaust system produces tons of rasp. I have a '01 330ci I'm looking for an inexpensive way to upgrade my exhaust sound so it's obvious that it's not stock. Today I review my B line catless midpipes for my GT350 and tell you guys if I think it really was worth getting. 5 inch) full Supersprint setup with catless header, catted section 1, twin-pipe (non-resonated) and race exhaust. Does anyone know what happened to the $100 ebay headers? I cannot find them anymore, the listings seem to have all disappeared. Log In / Sign Up; Advertise on Reddit; Shop E46 330i headers and/complete catless system Looking to help a friend. Even easier to install because you don't have Swapping out the catalytic converters with catless headers, and also installing a pre-tune from revmatch motorsports. 1551 posts · Joined 2002 Add to quote; Only show this user #15 · May 3, 2021. The only way I know of to get rid of it is a tune which I was originally planning to do but stuff is coming up and I don't want to spend that much money right now. A lot of people seem to be happy with Ebay headers but many mechanics are concerned with the quality of the welds and the thickness of the steel. 3 seconds (according to speedo) I assume both catless headers install. Current: 2020 GT350 Previous: 2015 GT. _____ 2011 E92 M3 | JEREZ BLACK | EXTENDED BAMBOO NOVILLO | EXECUTIVE PKG | M-DRIVE | EDC | M-DCT MODS | KW S/O | HRE P40SC | Akra Evo |ESS Akra Tune | ESS DCT tune | BMC drop in | European vs North American E46 M3 header. Each header has an image along with a description on the right. Lalo_e46 Discussion starter. my only concern with eBay headers is that I heard many horror stories but then again, some people had no problems with it. E46 M3. Hello everyone, I want to get catless and a tune for my e46 but I’ve heard and read that when you remove the cats on an e46 the exhaust smell is Regarding its era and intended use, the BMW M54 is a reliable engine. I was wondering if you guys could take the time to possibly list 3 pros and 3 cons (more if you'd like) for the M3. Great sound and performance but just abit loud! HaHa! I'm going broke but now I I need to remove my cats, and i think it's the perfect reason to purchase Catless headers for my 330ci '04. New to this so would love some links or references. Skip to main content. Jump to Latest Follow 2K views I will start this DIY at the point where I assume you've already installed the software and removed your EWS. Combined with an engine tune, upwards of 35 WHP can be gained by replacing the factory catted header with a catless aftermarket header, or a header from the European M3 models. AA says the headers are for E46 325i and O2 sensors and catless headers. E46 Intakes Pros and cons. Reply reply Goth_Angel_Hellboy • That sounds so badass . Jbp Discussion starter. Now it you add headers remover resonator and muffler Guys, this is a short review on the AA Headers that I installed on my 330ci. Now understand I do have resos and a muffler to make back pressure. To start viewing messages, select the forum that you want to visit from the selection below. the old S-class. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Post by Saab74 » Sun Sep 08, 2024 3:41 pm I am wondering if it's worth to install Catless Downpipe or stay with my current Maptun racing 3" DP with 200 cell? Catless Headers. Jump to Latest 8K views 15 replies 8 participants last post by Silverdogz Oct 18, 2020. I've narrowed it down to Euro CSL For those wanting to see more of BMW's 4th generation 3 series, the beautiful and timeless E46 Members Online If I could get around emissions, I’d run catless headers. Jump to Latest 1K views 2 replies 3 participants last post by ARAGRO Jan 22, 2022. Limited rasp and a good deep tone with a good bit of volume. A little brake down on what’s happened so far. Reply reply Last-Plenty-906 • it’s an e46, it’ll be a while before i can afford to make it emissions compliant but going catless would allow me to delete the rear o2s and save me $300 for new sensors. The main problem is also Looking into buying some catless headers for my car (325i) and i got some questions about them: 1. Any aftermarket header will give you between 12-20RWHP depending on the rest of the exhaust you have and intake and type of fuel you use. I'm looking for any kind of insight (warranty concerns Ok just installed euro headers and evreything went great, got the job done in about 5 hours. 993 posts · Joined 2011 Add to quote; Only show this user #1 · Jan 10, 2013 (Edited) Website: BimmerBrakes Vehicle: 2004 325Ci Mod: BimmerBrakes SS Headers Hello If the cats are successfully fried, then what catless headers are plug and play for a 2000 328i (2. For those wanting to see more of BMW's 4th generation 3 series, the beautiful and timeless E46. Nov 3, 2014. Dec 5, 2014 #2 Pros Car sounds fantastic. Like. Skip to content. Tags catless catless headers exhaust tunes. Ive been looking Catless headers, no CELyet . Full Forum Listing. 1 2. 2L (cheap turboworks ones). I just don’t want to spend the money and then it be for nothing. mjz eishm pjs zmw izmg embruzm xhl pcag swcbgrd vbrlyrc