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      12-05-2007, 08:04 PM   #7
ScheerSpeed
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Drives: '13 F30 Estoril M-Sport 335i
Join Date: Sep 2006
Location: Miami, FL

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yo randy, u might want to try something like me and derek did to our cars, just cutting out the mufflers and putting a pipe and some tips. i dunno how it would work on 335, but i can imagine it would work good because the key to turbo cars is to get as much air in and as much air out as possible, and by taking out the mufflers completely you eliminate the backpressure for the most part.
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