The AP Exhaust 6557 is a direct-fit replacement Direct Fit Muffler - MSL Maximum designed to restore factory exhaust performance and sound quality. Constructed from durable aluminized steel and engineered to OE dimensions, this unit installs with minimal modification for a dependable, long-lasting repair. Ideal for technicians and DIY enthusiasts seeking a quality replacement muffler.

AP Exhaust 6557 Direct Fit Muffler - MSL Maximum Features:

• 1980-1986 Chevrolet C10, 1980-1986 Chevrolet K10, 1980-1986 GMC C1500, 1980-1986 Chevrolet K20, 1980-1986 Chevrolet C20, 1987 Chevrolet R10, 1980-1986 Chevrolet K5 Blazer, 1980-1986 GMC K1500, 1987 Chevrolet V10, 1980-1986 GMC K2500
• Body Material: Aluminized Steel
• Grade Type: Standard Replacement
• Muffler Type: Baffled
• Body Length: 19.000 in.
• Overall Length: 25.500 in.
• Inlet Inside Diameter: 2.500 In. (Center)
• Outlet Inside Diameter: 2.000 In.
• Heat Shield Attached: No
• Sound Level: OE comparable
• Tunable: No