Flowmaster American Thunder Cat-Back Exhaust For 01-07 GM 2500/3500 HD 6.0L/8.1L blow off valves Internal volume: 4 quarts matching

Internal volume: 4 quarts matching factory fill level

Unit is equipped with a water-cooled

GM 2500HD/3500HD OEM Style 2" Rear Lift Block Kit

Few vehicles give the owner the feeling that they can go anywhere they want when behind the wheel of the world's original SUV

Flowmaster American Thunder Cat-Back Exhaust For 01-07 GM 2500/3500 HD 6.0L/8.1L blow off valves Internal volume: 4 quarts matchingFor the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat back exhaust system provides. This American Thunder system for the 2001 2006 (2007 Classic) Chevrolet Silverado, GMC Sierra 2500HD 3500HD with 6. 0L or 8. 1L engine with dual inlet muffler, delivers a moderate interior tone with a deep powerful exterior tone and is suited to the enthusiast who wants their performance to be heard. The system attaches to the