Fits 1955-1957 Chevrolet Bel Air Chambered Muffler SF513300-JHPR HighMargin 1 L6 1982 - 1990

1 L6 1982 - 1990 GMC K2500 379/6

2009 - 2013 Chevrolet Silverado 1500

0L V8 1978-1979 Oldsmobile Starfire Firenza 151/2

regulator is not required

Fits 1955-1957 Chevrolet Bel Air Chambered Muffler SF513300-JHPR HighMargin 1 L6 1982 - 1990Street Flow, Round Body Chambered Muffler, Aggressive Tone, 16 Gauge Aluminized Steel, Premium Powder Coat Finish, 5. 0" Body, 3. 0" In, 3. 0" Out, 3 Year Limited Warranty. Features: Handcrafted Chambered Mufflers Installer Friendly Design With Unpainted Ports 16 Gauge Aluminized Steel Construction High Heat Premium Silver Powder Coat Finish North American Made Product Aggressive Tone Specs: Body Length (IN) 13 Body Type Round Finish High Heat Premium