1967-1972 Chevrolet and Exhaust Flowmaster Stainless Steel EditPics highest performing street muffler we've

highest performing street muffler we've ever built in a four inch case

The stainless tubing then runs into a pair of race-proven Outlaw® Series mufflers for a deep aggressive interior and exterior sound

00-inch mandrel-bent tube flowing into the "straight-through" Flow FX performance muffler

Muffler Part Number: 842546

Part Number: 817682

1967-1972 Chevrolet and Exhaust Flowmaster Stainless Steel EditPics highest performing street muffler we'veOverview: This American Thunder exhaust system is specifically designed for 1967 1972 Chevrolet and GMC C10 and C15 1 2 ton 2wd trucks with coil spring suspension. The system is perfect for the person looking for a moderate to aggressive interior and exterior sound level. Starting at the Crossmember Back, the exhaust comes complete with a built in H pipe crossover, all mandrel bent 2. 50 inch aluminized steel tubing, a pair of Super 44 Series