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      12-01-2012, 09:42 AM   #5
pits200
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Drives: 09 335i X-Drive Black Sapphire
Join Date: Mar 2010
Location: Pittsburgh

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Out of all of those downpipes are the best on that list for increase in sound and performance.

Cusco brace doesn't do much and all the others on the list are for sound. Be prepared for completely catless and exhaust you can have a lot of drone and the car will be loud