AP Exhaust 700298 Exhaust Muffler - Rear Right or Right

AP Exhaust 700298 Exhaust Muffler Overview

The AP Exhaust 700298 muffler is designed for reliable exhaust flow and sound control on select Buick, Chevrolet, and Pontiac models. Engineered with aluminized steel, this muffler offers durability and OE comparable sound levels for vehicles like the Buick LaCrosse and Chevrolet Monte Carlo.

• Body dimensions: 14" length, 9" width, 7" height
• Constructed from aluminized steel for corrosion resistance
• Oval-shaped baffled muffler with Aa configuration
• Inlet pipe diameter: 1.88" (right lower location)
• Outlet pipe diameter: 2.25" (center lower location)
• Single inlet and outlet pipes
• Overall length of 18"
• Regular grade type without heat shield
• Sound level comparable to original equipment

Detailed Product Description

The AP Exhaust 700298 muffler is built to meet the exhaust needs of specific Buick, Chevrolet, and Pontiac vehicles, including the Allure, Grand Prix, LaCrosse, and Monte Carlo. Its aluminized steel body provides resistance to rust and corrosion, extending the muffler's service life. The oval shape and baffled design help reduce exhaust noise while maintaining efficient flow. The muffler features a single inlet pipe located at the right lower position with a 1.88-inch inside diameter, and a single outlet pipe centered at the lower section with a 2.25-inch inside diameter. This configuration supports proper exhaust routing and sound attenuation consistent with OE standards. The 18-inch overall length and 14-inch body length ensure compatibility with the specified vehicle models.

Compatible Vehicles and Applications

• Buick Allure
• Buick LaCrosse
• Chevrolet Monte Carlo
• Chevrolet Grand Prix
• Pontiac Grand Prix

This muffler is suitable for replacing worn or damaged exhaust components on these models, restoring proper exhaust flow and sound control.

Common Issues Addressed by AP Exhaust 700298

• Excessive exhaust noise due to muffler wear or damage
• Corrosion or rust compromising muffler integrity
• Reduced exhaust flow affecting engine performance
• Leaks causing exhaust fumes to enter the cabin
• Non-OE sound levels impacting driving comfort

Installation Notes and Tips

Ensure the vehicle is securely lifted and cooled before beginning installation. Verify the inlet and outlet pipe diameters match the existing exhaust system. The right lower inlet and center lower outlet locations require proper alignment for a secure fit. This muffler does not include a heat shield, so verify clearance from heat-sensitive components. Professional installation is recommended to maintain exhaust system integrity and performance.

Quality Assurance and Warranty

AP Exhaust manufactures this muffler to meet regular grade standards with materials designed for durability and corrosion resistance. While specific warranty details are not provided, AP Exhaust products typically adhere to industry quality controls to ensure reliable performance on compatible Buick, Chevrolet, and Pontiac vehicles.