E46Fanatics - View Single Post - Best exhaust for hp gain/not too loud?
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Old 02-17-2010, 01:25 AM   #41
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Join Date: Jan 2010
Location: NYC
Posts: 266
My Ride: 325i sharked cai
Originally Posted by iwannagofast View Post
get ebay headers for 150 bucks and keep thestock exhaust on... youll get more power than just putting on a cat back.... it wont be loud at all until your at WOT
can't find headers for M56 engine . If you or anyone in here has an idea or know any performance headers that will do for M56, please let me know.
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