AP Exhaust 700056 Exhaust Muffler - Front

AP Exhaust 700056 Exhaust Muffler Overview

The AP Exhaust 700056 exhaust muffler is designed for reliable performance and durability in select GM vehicles. Engineered with aluminized steel and a baffled muffler configuration, this muffler offers effective sound control and corrosion resistance for models like the Chevrolet Impala and Cadillac DeVille.

• Body dimensions: 18" length, 10.5" width, 4.06" height
• Constructed from aluminized steel for corrosion resistance
• Baffled muffler type with O/oo configuration for sound attenuation
• Inlet and outlet pipe diameters of 2.25" with right center inlet and left center outlet
• Oval shape designed to fit specific GM full-size vehicles

Detailed Product Description

The AP Exhaust 700056 muffler features a robust aluminized steel body measuring 18 inches in length, 10.5 inches in width, and 4.06 inches in height. Its baffled design with an O/oo configuration helps reduce exhaust noise to levels comparable with OE standards, making it suitable for drivers seeking a quieter ride without sacrificing performance. The muffler includes a single inlet and outlet pipe, each with a 2.25-inch inside diameter, positioned at the right center and left center respectively. This oval-shaped muffler is part of the Msl series and is engineered for regular grade applications, providing a balance of durability and cost-effectiveness.

Compatible Vehicles and Applications

This exhaust muffler is compatible with a range of General Motors vehicles, including:

• Buick LeSabre and Park Avenue
• Cadillac DeVille, Fleetwood, and Brougham
• Chevrolet Impala, Caprice, and Commercial Chassis
• Oldsmobile Delta 88 and Custom Cruiser
• Pontiac Bonneville, Catalina, and Safari

It is designed to replace factory mufflers on these models, ensuring proper fitment and exhaust flow.

Common Issues Addressed by AP Exhaust 700056

• Excessive exhaust noise due to worn or damaged mufflers
• Corrosion and rust compromising muffler integrity
• Reduced exhaust flow affecting engine performance
• Leaks causing unpleasant odors and emissions issues
• Fitment problems with generic or universal mufflers

Installation Notes and Tips

When installing the AP Exhaust 700056 muffler, ensure the inlet and outlet pipe diameters match the vehicle’s exhaust system (2.25 inches). The right center inlet and left center outlet locations require proper alignment for optimal exhaust flow. Professional installation is recommended to maintain exhaust system integrity and avoid leaks. This muffler does not include a heat shield, so verify clearance from heat-sensitive components during installation.

Quality Assurance and Warranty

AP Exhaust manufactures this muffler with aluminized steel to resist corrosion and extend service life. The 700056 part number is part of the Msl series, known for consistent quality in regular grade exhaust components. Warranty details are subject to AP Exhaust’s standard coverage; please consult the manufacturer for specific terms.