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This Flowmaster American Thunder cat-back exhaust system is custom designed for 2014-2019* (*Classic body) GM Silverado/Sierra 1500 trucks and is perfect for the person looking for a moderate sound level inside the cab area
3L V8 1955 - 1957 Chevrolet Bel Air 265/4
0L V8 1971 - 1974 Ford Maverick 289/4
108" Wheelbase
Fits Jeep Wrangler JK/Wrangler Unlimited 4WD (2012-2018) Exhaust Extensions 1030 performance-tuner-programmers This Flowmaster American Thunder cat-backExhaust Extensions Jeep Wrangler JK 4WD (2012 2018) Ready to lift your 2012 up Jeep JK? Rough Country's JK Exhaust Extensions are a crucial component to lifting new model Wranglers 2in or more. These easy to install spacers are fitted between the head pipe and cross pipe flanges, effectively moving the exhaust rearward toward the crossmember. Standard, there is insufficient room between the front drive shaft and exhaust pipes, leaving an unextended
