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      08-29-2011, 02:43 AM   #6
lucaa135
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Drives: 2009 135i
Join Date: Jul 2011
Location: West Coast

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i have a full berk street exhaust, which changes the secondary cats and the midpipes and the front pipes as well, its a downpipe back system. Right now i dont have downpipes on my car (coming soon), but it sounds pretty quiet during regular driving, and then it really picks up when you hit the gas. downpipes do add some sound to exhaust systems, so i really couldnt tell you if it i is going to be the sound you want, but i love it, and i wouldnt mind my setup if it got a little louder
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