99-06 GM P/U Reg Cab SB Force II Exhaust System RHO Exhaust System - Xtreme -

Exhaust System - Xtreme - Axle-Back - 3 in Diameter - Valved - Stainless - Natural - 3

A vacuum controlled butterfly valve is utilized to improve flow at wide-open throttle while keeping things civilized and 'drone' free throughout

Dinan engineers designed the F30 340i and F32 440i exhaust to improve exhaust flow by reducing back pressure

The airbox and lid are molded from a composite material that has been chosen specifically for its ability to resist power robbing under-hood heat and the design provides for a completely sealed air box

5 in Round Outlet - 7 in Long - Double Wall - Rolled Edge - Angled Cut - Stainless - Black Ceramic Coated - Each

99-06 GM P/U Reg Cab SB Force II Exhaust System RHO Exhaust System - Xtreme -Exhaust System Force II Cat Back 3 in Diameter Single Side Exit 3. 5 in Polished Tip Steel Aluminized GM Fullsize Truck 1999 2007 Kit