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Old 02-21-2010, 02:35 PM   #8
chevyss
SS/RS
 
Drives: 2010 SS/RS IOM w/blk stripes A6
Join Date: Jun 2009
Location: Eastern Washington
Posts: 816
Gosh, if your going to do it, the 3" is the way to go. I know the ARH long tube and 3" back to the axle has really been great for mine. I also added the Airaid CAI kit and that too made a big difference
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