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      10-28-2011, 11:47 PM   #14
1M Fan
SMSgt
4
Rep
236
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Drives: AW 1M Coupe
Join Date: Dec 2010
Location: USA, TN

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Garage List
1012 F150  [0.00]
1971 Chevrolet Nova  [0.00]
2011 1M  [0.00]
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?