Walker 47577 Exhaust Pipe

Walker 47577 Exhaust Pipe for GM Applications

Walker 47577 is a specific-fit exhaust pipe built from aluminized steel for durability and corrosion resistance. It uses precision bending and fixture checking to support a precise fit for straightforward installation on select Chevrolet, Buick, Oldsmobile, and Pontiac vehicles.

Key Features

• Aluminized steel construction for long-term exhaust service
• Specific-fit design for direct replacement on listed applications
• 2.25-inch inlet and 2.25-inch outlet diameter
• 2-bolt loose flange with spherical flare inlet connection
• 78-inch overall length with 0.05-inch pipe wall thickness
• Pipe connection outlet for exhaust system integration

Detailed Description

This Walker exhaust pipe, part number 47577, is engineered for select GM rear-wheel-drive applications that require a direct-fit exhaust routing solution. It is compatible with vehicles such as the 1983-1988 Chevrolet Monte Carlo, 1983-1987 Pontiac Grand Prix, 1984-1988 Oldsmobile Cutlass Supreme, and 1986-1987 Buick Regal, along with additional listed Buick, Chevrolet, Oldsmobile, and Pontiac models. The aluminized steel construction helps resist exhaust-system wear, while the formed dimensions and flange-style inlet support accurate alignment during replacement work. This part cross-references 78148 for the same application.

What This Exhaust Pipe Helps Address

• Rust-through or corrosion in the original exhaust pipe
• Cracked or leaking pipe sections that affect exhaust sealing
• Improper fit from a previous replacement pipe
• Restricted exhaust flow caused by damaged pipe routing
• Noise from exhaust leaks at the pipe connection points

Installation Notes and Tips

Verify the vehicle’s exhaust configuration before ordering, since fitment varies by model and converter setup. Fits 1987-1988 Chevrolet Monte Carlo, N/A, with Dual Bed Monolithic Converter and Cut Off Bracket; fits 1984-1988 Oldsmobile Cutlass Supreme, N/A, with Single Exhaust and Cut Off Bracket; fits 1986-1987 Buick Regal, N/A; fits 1985-1987 Oldsmobile Cutlass, N/A, with Single Exhaust and Cut Off Bracket; fits 1985-1987 Oldsmobile Cutlass Salon, N/A, with Single Exhaust and Cut Off Bracket; fits 1983-1987 Pontiac Grand Prix, N/A, with Dual Bed Monolithic Converter; fits 1983-1986 Chevrolet Monte Carlo, N/A, with Dual Bed Monolithic Converter; fits 1984-1986 Pontiac Bonneville, N/A; fits 1983-1986 Pontiac Bonneville, N/A, with Dual Bed Monolithic Converter; fits 1984 Oldsmobile Cutlass Calais, N/A, with Single Exhaust and Cut Off Bracket; fits 1983 Chevrolet Malibu, N/A, with Dual Bed Monolithic Converter; fits 1983 Chevrolet Malibu, N/A, with Single Bed Pelletized Converter. Confirm flange style, pipe diameter, and exhaust layout before installation.

Quality Assurance

Walker manufactures this pipe with precision benders and fixture checks to help ensure consistent fitment and installation accuracy. The aluminized steel finish is selected for durability in exhaust service.