Flowmaster Force II Single Exhaust System - 1999-2006 Chevy/GMC/2007 Classic 1500 4.3L/4.8L/5.3L H777C04M Hydraulic - Xtreme 4X4: Strong

Hydraulic - Xtreme 4X4: Strong low end and mid-range torque

1965-1966 Oldsmobile Jetstar 88

813 in Bolt Pattern

3/8" shaft

Precision machined

Flowmaster Force II Single Exhaust System - 1999-2006 Chevy/GMC/2007 Classic 1500 4.3L/4.8L/5.3L H777C04M Hydraulic - Xtreme 4X4: StrongFor the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat back exhaust system provides. S. O. S. (Single out side) systems are the perfect choice. Force II systems delivers a mild exterior tone and moderate to mild interior tone, and are suited to customers looking for efficiency improvements without a lot of noise. Especially recommended for towing applications. Like all Flowmaster systems, the benefits include