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Old 06-02-2010, 09:34 AM   #3
Jason 98 TA

 
Drives: Camaro
Join Date: Apr 2009
Location: Texas
Posts: 1,670
Sorry I don't have any data from Flowmaster stuff, last time I ran a flowmaster I watched a guy pull it off & swap to hooker on his LS1 car. He gained 8rwhp from just the muffler swap! That's was enough for me to not offer them...
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