Hooker Maximum Flow Muffler 21605HKR exhaust-manifolds This bolt-on DOR/DOS (Dual Out

This bolt-on DOR/DOS (Dual Out Rear or Dual Out Side) emissions-legal exhaust system features 16-gauge mandrel-bent aluminized steel tubing flowing into a specially designed Super 40™ Series performance muffler with dual 2

Part Number: 15389

Consistent Inside Diameter

Part Number: 943040

Hooker Maximum Flow Muffler 21605HKR exhaust-manifolds This bolt-on DOR/DOS (Dual OutOverview 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.