Flowmaster 50 Series Heavy Duty Muffler - 3.5" Offset - Inlet / Opposite Side Offset Outlet AK113112R This circle track steel rear

This circle track steel rear sump is designed for GM LS1 open chassis applications

increases handling stability

1981-1985 Chevrolet Impala

eliminating the gasket

Flowmaster 50 Series Heavy Duty Muffler - 3.5" Offset - Inlet / Opposite Side Offset Outlet AK113112R This circle track steel rearDesigned primarily for today's heavy duty gas and diesel trucks, this muffler will deliver improved performance, throttle response and mileage. Featuring a deeper, moderate tone with minimal resonance, it is ideal for trucks with modified engines. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Moderate to Aggressive Exterior Exhaust