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headers
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  1. Driveline, Engine & DME Tuning
    I am installing headers in a few weeks and I plan to cut the muffler off as well... maybe the resonator too but after I see how it is with headers and muffler delete. Anyone have experience driving with headers and muffler delete? How F***ed is it really when driving in a quiet town at night or...
  2. Engine & Performance
    Looking for clean Euro Cats possibly closer to the Sacramento/Bay Area but wouldn't mind paying shipping for a decent piece. Just for clarification, looking for the piece on the left :)
  3. Driveline, Engine & DME Tuning
    I will be doing a header installation soon on my '99 328i after I get them coated. I have read about the nightmare of o2 sensor fitment and how people have had to re weld the bungs. I am going to get a tune later this summer and it will remove the CEL for having no post cat o2 sensors, so I am...
  4. General E46 Forum
    Hi I have some stainless steel headers (Ebay :p) coming in the mail and once they get here I plan to either ceramic coat them myself (I've looked into VHT flameproof spray and exhaust wrap) or to ship them to swain to get them professionally coated. Doing it myself would save a lot of money, as...
  5. Driveline, Engine & DME Tuning
    I checked the website like two weeks ago and it was fine, I have the money to buy now... but I have to go through a dealer all of a sudden??? anyone who what's up?? this is from the AA website directly btw.
  6. General E46 Forum
    seen a lot of people doing catless ebay headers but keeping a muffler/ using aftermarket muffler or keeping resonators. my question is what would it be like to do ebay headers + a true straight pipe (no cat no mufflers no resonators) on my e46 328. Would this sound terrible? I want my car to be...
  7. Pacific Northwest
    Alright all, I’m at a loss. After nearly 10 hours at the JBLM auto hobby shop, I still wasn’t able to get a set of headers in. It seemed like a relatively straight forward job, but it all came down to a single bolt on each section that I couldn’t access. So here’s the question, do any of you...
  8. General E46 Forum
    hey guys I got these ebay headers installed on my 2002 330ci by a shop that said they were bmw specialists, after a week to install them i pick up the car and on my 15 min in at my house it started misfiring in cylinders 1-3 along with those codes it also said something about the bank 2 first...
  9. Motorsports & Track Forum
    I got ebay headers was trying to put them in(for 13 hours straight) get the oem ones out put the eBay ones in to find out that it rubs against the motor arm can I shave it to fit sorta around the pipe or can I heat up the pipe and hit the headers w a hammer to clear the pipe and motor arm
  10. General E46 Forum
    Unfortunately the day has come when my cats have gone bad. From the looking that I've done, it's quite expensive to get these replaced. I was thinking a potentially cheaper solution would be to replace the headers with the Active Autowerke headers, as well as some after market catalytic...
  11. Driveline, Engine & DME Tuning
    Hey guys I'm relatively new to the BMW world and I've just bought my first BMW, an E46 330Ci Manual '02. I'm looking to change my stock headers to something aftermarket and less restrictive. I've found some decently looking ones online but none of them strictly say that they'd fit a coupe. My...
  12. Engine & Performance
    To remind the clueless… I think today, I'm going with Engine-ish Pt 2. Going with some non-CSL stuff for a bit. First up we got ARH Headers with cats. Cats are upgraded to GESi instead of the normal cats that you can get with them. The headers were also ceramic coated by Swaintech. Brand...
  13. General E46 Forum
    So I've been around cars for a long time (started wrenching in the 70s). Wondering if anyone has helpful ideas to remove the exhaust manifold nuts. We want to replace the stock Exhaust with catless headers (I suspect the cats are plugged). BUT I cannot get even one of the nuts to break loose...
  14. Driveline, Engine & DME Tuning
    Hello i did some looking around and i didnt see anything about this i have a 2000 323ci and i can't drive it in D or SD i have to drive in manual mode (not the worst thing in the world) and I have to drive aggressively or the car will start to misfire in cylinders 123 or 456 and occasionally I...
  15. Engine & Performance
    Closed!! Long time listener, first time caller. Looking to buy some bimmerbrakes headers. My car doesn't need cats as it is off-road use only. Located in Boston, MA and would prefer someone local to New England but if you have a set and are willing to ship, let's talk.
  16. General E46 Forum
    Hey guys, I hope ll is well. On my end not so much for my car. Since I bought the car 3 years ago Ive been hearing a ticking sound on cold starts and mainly noticeable when I apply gas in the lower rpm range. Anyway it turned out to be a leak at the headers and I thought mehh no big deal...
  17. General E46 Forum
    I started to have an issue with bogging around 2500 RPM after installing eBay headers. I keep hearing about swapping O2 sensors by mistake and was wondering about that? However, I have no post-cat sensors in (unplugged). I did have to use a 90 degree adapter on a pre-cat sensor and im wondering...
  18. General E46 Forum
    So I have replaced the oem headers with aftermarket catless headers. I’ve been driving with CEL on and I want to try and fix the misfiring problems. I’ve got 3 misfires on my engine. I only have the o2 sensors that go before the cats on and the ones after the cats are off. Recently I have...
  19. Engine & Performance
    Hello all, I'm trying to make space in my garage so I have to get rid of the headers that I never installed. These have been sitting uninstalled while i was overseas for the past few years so they are mint. These are black ceramic coated and are gorgeous. They are some of the best...
  20. General E46 Forum
    Hey guys, I made a YouTube video regarding the pros and cons about installing headers if anyone was wondering if they should get them or not. Be sure to subscribe I upload every week about my E46 Build! Video Link: https://youtu.be/4pNfGpRJDb0 Channel Name: Jay Soh
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