Re: Custom exhaust modification, this ok?
just cutoff the muffler and put a glasspack in there instead!!
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2006 Chevy Silverado 4wd 5.3 4.10 gears
- Dual flowmaster 40's, custom 89/93 octane tune
-LT headers, Airaid Intake M.I.T. tube and Comp Cam XR265HR -14.2 @99mph
-2800 stall and 75 wet shot coming to run 12's 
-then Magnacharger supercharger
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