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LS3 C6 BBK Long Tubes, Stock NPP mufflers
Ruby2 Corvette C6 LS3 Speed Engineering LT Headers & NPP Exhaust 2008
Corvette c6 grand sport kooks catless headers npp
Cammed LS3 C6 Corvette With Kooks Headers NPP Mufflers Cold Start, Idle, and Driving Sound!
2008 LS3 C6 Corvette- Headers, cat-less x pipe, w/ NPP stock mufflers.
NPP Exhaust
Corvette Grand Sport LS3 Exhaust. Kooks/NPP
Soundclip / Straight piped LS3 Corvette / Headers and NPP
NPP exahust on LS3 corvette, Headers, no cats
LS3 sound comparison - stock vs. longtube headers
C6 lS3 stock NPP 3rd gear pull
Cammed C6 Corvette Headers into NPP Open and Closed
