Fits 1958-1964 Chevrolet Biscayne Chambered Muffler SF42451-JHPR MassAirFlowSensors Adjustable base pressure from 30-70

Adjustable base pressure from 30-70 PSI

) 30 Subtitle Center/Center Outlet Type Center Outlet Quantity 1 Muffler Type Straight-Through Inlet Type Center Inlet Diameter (In

and 5/16-18 threads and works with 12 volt and 16 volt systems

install a new main harness

Peterbilt 377 (1989-1994)

Fits 1958-1964 Chevrolet Biscayne Chambered Muffler SF42451-JHPR MassAirFlowSensors Adjustable base pressure from 30-70Street Flow, 3 Chamber Performance Muffler, Moderate Tone, 16 Gauge Aluminized Steel, Premium Powder Coat Finish, 2. 25" Offset In, 2. 25" Center 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 Moderate Tone Specs: Body Length (IN) 17 Body Type Oval Finish High Heat Premium