99-06 GM P/U Ext Cab SB American Thunder System RADG 75 in Inlets - Dual

75 in Inlets - Dual 2

The reduction in intake air results in an impressive 10 HP and 20 ft-lb of torque gain without any changes in the engine tune

Dinan's High Flow Throttle Bodies improve intake airflow for additional horsepower and torque gains

5 in Diameter - Dual Rear Exit - Stainless - Natural - GM Fullsize Truck 2019-21 - Kit

Now every 335 driver has the opportunity to lower operating temperatures significantly

99-06 GM P/U Ext Cab SB American Thunder System RADG 75 in Inlets - DualExhaust System American Thunder Cat Back 3 in Diameter Dual Rear Exit 3 in Polished Tips Steel Aluminized GM LS Series GM Fullsize Truck 1999 2007 Kit