Hooker Maximum Flow Muffler 21609HKR brake-fittings-and-adapters 1966-1967 Chevrolet El Camino 396

1966-1967 Chevrolet El Camino 396 CID

1973-1976 Pontiac LeMans 455 CID

BLC-140-SS1L

Inlet Outside Diameter: 4

Fits: 1994-1995 Dodge Ram 1500

Hooker Maximum Flow Muffler 21609HKR brake-fittings-and-adapters 1966-1967 Chevrolet El Camino 396Overview 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.