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Old 05-14-2009, 06:59 PM   #2
dodson914
 
Drives: 2008 2500 HD; 2008 G8 GT #199
Join Date: Apr 2009
Location: Arlington, TX
Posts: 239
You looking for a full exhaust system or axle backs?

Not really sure enough people have their cars and have done an exhaust swap yet to get solid information from yet.

Personally, I like magnaflow. Shouldn't be too much longer before we start seeing #'s from exhausts and hopefully some video clips as well.
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