AP Exhaust 700373 Exhaust Muffler - Rear

AP Exhaust 700373 Exhaust Muffler Overview

The AP Exhaust 700373 muffler is designed specifically for Buick and Pontiac vehicles, including the Bonneville and LeSabre models. This exhaust muffler offers a reliable replacement option with a durable aluminized steel body and a baffled design to maintain OE comparable sound levels.

• Body dimensions: 15" length, 11" width, 4.5" height
• Constructed from aluminized steel for corrosion resistance
• Oval-shaped muffler with a baffled configuration
• Inlet pipe diameter: 2.25"; outlet pipe diameter: 2"
• Single inlet and outlet with right center inlet location and center outlet location
• Regular grade type, non-tunable design
• Compatible with Buick Bonneville and Pontiac LeSabre exhaust systems

Detailed Product Description

The AP Exhaust 700373 muffler features a robust aluminized steel body that measures 15 inches in length, 11 inches in width, and 4.5 inches in height. Its oval shape and baffled muffler type help reduce exhaust noise to levels comparable with original equipment (OE) standards. The muffler includes a single inlet pipe with a 2.25-inch inside diameter located at the right center, and a single outlet pipe with a 2-inch inside diameter positioned at the center. This configuration supports efficient exhaust flow while maintaining sound control. The muffler is part of the Msl series and is designed for regular grade applications without tunability or heat shield attachments.

Compatible Vehicles and Applications

• Replacement muffler for Buick Bonneville models requiring a 2.25" inlet and 2" outlet
• Suitable for Pontiac LeSabre exhaust systems with matching inlet/outlet specifications
• Ideal for addressing muffler wear, corrosion, or damage in these specific vehicle models
• Helps restore proper exhaust flow and sound attenuation to factory levels

Installation Notes and Tips

When installing the AP Exhaust 700373 muffler, ensure the inlet and outlet pipe diameters match your vehicle’s exhaust system specifications. The right center inlet location and center outlet location require proper alignment for secure fitment. This muffler does not include a heat shield, so verify clearance to avoid heat-related issues. Professional installation is recommended to maintain exhaust system integrity and performance.

Quality Assurance and Warranty

AP Exhaust manufactures this muffler with aluminized steel to resist corrosion and extend service life. While specific warranty details are not provided, AP Exhaust products typically meet industry standards for durability and performance. Using the AP Exhaust 700373 muffler ensures a quality replacement part compatible with Buick Bonneville and Pontiac LeSabre vehicles.