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straight pipe
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  1. UK
    Hi guys, My catalytic converter was recently stolen and my car has been off-road for a couple of months while my mechanic has been trying to find a used one to weld on. Unfortunately, he's not been able to find a used one and is now offering to replace it with a straight pipe. He reckons that...
  2. E46 General
    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...
  3. E46 General
    I live in California and was wondering if straight pipe’in my 325i was worth it. If so does any one know a muffler shop in the OC or IE area that would be willing to.
  4. E46 General
    I own a 328ci, and the only non stock part of the exhaust is the muffler. I am finding some severe rattling noises coming from the two resonators. I came across the supersprint section 1 and 2 straight pipes and I am considering putting them in place of the resonators. My main questions are...
  5. E46 General
    I have a 2003 325i and was thinking about straight piping it. I don't want it to be super loud but I want it to sound sporty. Anyone have any tips? Like how much should be removed, what cats or resonators? General cost?
  6. E90
    So I recently installed electric cutouts on my 330i, I removed the resonator and put the cutout right after the secondary cats (Pretty much where the res was). Everywhere I read online, people seem to be gaining horsepower yet when my cutouts are open to straight exhaust, I can absolutely losing...
  7. E46 General
    Found this online and was wondering if this is all I need in order to get my 330ci straight piped...
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