Hooker Maximum Flow Muffler 21630HKR 4x4 This custom system uses all

This custom system uses all the factory hanger locations

Covered by our 3 Year Limited Warranty

Built to match your exact requirements

Max increases of up to 16 hp and 16 lb-ft

50-inch polished stainless steel tip exiting behind the right rear wheel

Hooker Maximum Flow Muffler 21630HKR 4x4 This custom system uses allOverview The Hooker Maximum Flow muffler actually flows 99% and produces more horsepower and torque than a 2 1 2" open pipe. The Maximum Flow is constructed of an aluminized steel case with stainless steel internal core and uses a high temperature packing material to absorb excessive noise while allowing a mellow powerful sound. As with all absorption type silencers, the Maximum Flow will be most effective for sound control with lower compression (8.