Maximum Flow Muffler - Single 4" Inlet Centered/Outlet Centered L15B7 Electric Toggle Switch Kit

Electric Toggle Switch Kit

Precision Works Universal Inline Thermostat Housing - 1

Two-way Brass YKK Zipper

up to 118 mJ

94-01 WRX & STI 5spd ONLY (NOT compatible with 6spd models)

Maximum Flow Muffler - Single 4" Inlet Centered/Outlet Centered L15B7 Electric Toggle Switch KitThe 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 a 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. 5 to 1