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      03-30-2011, 09:26 AM   #6
AlpineSwift
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Drives: 2008 335Xi Coupé
Join Date: Feb 2010
Location: Castle Rock, CO

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I already have the MD done and with Headers planned I don't expect to be messing with a new exhaust setup until after they are done. Resonator delete with the stock muffler won't do much for sound or performance. The secondary cats in conjunction with the resonator has a more noticeable gain/sound difference.
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E92 '08 335Xi 6AT - Cobb AP V2, ar design DP's, Race Cats in the mids, Stock cans, VRSF CP w/Tial BOV, VRSF 7" FMIC, BMS DCI, BMS Cowl, H&R Coilovers, Renn Motorsport RS-51's, Alpina TCU Flash, Turner Boost Gauge, Fully Coded.
Best 1/4mi: 13.201 @ 106.93 / 2.0 60' / DA=9300ft

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