The AP Exhaust 3439 is a direct-fit replacement Muffler - Challenge 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 3439 Muffler - Challenge Features:

• 1986-1991 Buick LeSabre Rear, 1988-1991 Oldsmobile Delta 88, 1986-1987 Oldsmobile Delta 88 Rear, 1988-1991 Oldsmobile 98, 1986-1987 Oldsmobile 98 Rear, 1986-1990 Buick Electra Rear, 1986-1987 Cadillac DeVille
• Body Material: Aluminized Steel
• Grade Type: Standard Replacement
• Muffler Type: Baffled
• Body Length: 18.000 in.
• Overall Length: 22.500 in.
• Inlet Inside Diameter: 2.250 In. (Right Center)
• Outlet Inside Diameter: 2.25 In. (Left Center)
• Heat Shield Attached: No
• Sound Level: OE comparable
• Tunable: No