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Dual locking universal sliders
Solid spokes
Two-way Brass YKK Zipper
94-01 WRX & STI 5spd ONLY (NOT compatible with 6spd models)
Maximum Flow Muffler - Single 4" Inlet Centered/Outlet Centered L15B7 Dual locking universal slidersThe 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
