Flowmaster American Thunder Cat-Back Exhaust System - 2-1/2 in Tailpipe - 3-1/2 in Tips - GM Fullsize Truck 2007-14 Recovery Reservoir Better Timing Accuracy

Better Timing Accuracy

and provide improved exhaust flow

DMI Gold Star Forged Wheel Hubs

Adjustments: microphone mouth distance

Delivers Trouble Free Service When Used With Proper Cam

Flowmaster American Thunder Cat-Back Exhaust System - 2-1/2 in Tailpipe - 3-1/2 in Tips - GM Fullsize Truck 2007-14 Recovery Reservoir Better Timing AccuracyFlowmaster's American Thunder cat back exhaust system for the 2007 2013 GM 1500 trucks is perfect for the person looking for moderate to aggressive sound levels both inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster. This bolt on DOR DOS (Dual Out Rear or Dual Out Side) emissions legal system is for Extra Cab Standard Bed and Crew Cab Short Bed models only, with the 5. 3L gas engine (and 07 08