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      12-07-2012, 10:17 PM   #9
S656MT
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Drives: 2013 E92 M3
Join Date: Nov 2012
Location: Driver's Seat

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Quote:
Originally Posted by Munit View Post
M-performance is "race-proven"? That is your criteria I think m-performance should be off the list.

If you want zero drone the best option is absolutely stock rear muffler with HFC's xpipe. Get a great sound with zero drone

If you want loud, get hfc xpipe with E race.
hmmmm...I said "race proven" was a variable I was considering, of course some of them are not. The "list" is everything I wanted to analyze with those considerations in mind.