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      06-24-2013, 04:58 PM   #12
robc1976
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Drives: E90 335i
Join Date: Mar 2012
Location: Illinois

Posts: 4,219
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Quote:
Originally Posted by shadow191 View Post
Have you thought about using a resonated x-pipe? On my other car, I replaced the x-pipe and resonators in an Invidia exhaust. It reduced the drone quite a bit. It also helped with the rasp, but there wasn't that much to begin with on that car.
the new piping I am looking at has a X-pipe but I do not know if it is resonated.
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