1974 Corvette C3 Exhaust System - 454 4 Speed 2.5 Inch Round Muffler

1970-1972 Corvette C3 Exhaust System - 454 4 Speed 2.5 Inch-Separate Pipe & Muffler

1975-1979 Corvette C3 Exhaust System - Dual-L82 4 Spd 2 To 2.5 Inch-Low Profile Mufflers

1973 Corvette C3 Exhaust System - 454 Automatic 2.5 Inch-Separate Pipe & Muffler