Thread: 1M Meisterschaft GT SUS Dyno Video/Photos
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      10-28-2011, 11:47 PM   #14
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Drives: AW 1M Coupe
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It looks like the factory muffler and resonator go away and it gets a mid mount muffler only. It looks good. Does it leave all the cats in place for the 10 - 15 HP gain?
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