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:
Does the duel exhaust add 6hp like it does on the vette?
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10-01-2012, 06:36 PM
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Dtrimpi87
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Drives: 2010 2SS/RS A6 & 2011 1LT/RS
Join Date: Apr 2012
Location: San Diego, CA
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Quote:
Originally Posted by
jameslk350
Are you saying that aftermarket catback exhausts also result in zero gains or just the NPP exhaust?
Yes after market catback systems offer 0 gains. Purely enhanced sound.
Dtrimpi87
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