Hooker Maximum Flow Muffler 21602HKR exhaust-systems OEM - 25859536

OEM - 25859536

OEM - 15823118

Will accommodate all emission control devices

but with a minimal sound increase inside the cab

Includes a 70™ Series Big Block II performance muffler for that perfect blend of a deep aggressive exterior sound

Hooker Maximum Flow Muffler 21602HKR exhaust-systems OEM - 25859536Overview 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.