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Old 10-01-2012, 06:33 PM   #13

jameslk55's Avatar
Drives: 2012 2LT/RS, 2005 SLK55 AMG
Join Date: Jul 2012
Location: Falls Church, VA
Posts: 1,165
Originally Posted by Mr_Draco View Post
No it does not add hp or torque to the Camaro.

It has been shown on numerous dynos by different shops that any changes from the cats back on the Camaro will result in zero gains. The Camaros exhaust is already free flowing which explains why this is so.
Are you saying that aftermarket catback exhausts also result in zero gains or just the NPP exhaust?
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