AP Exhaust 700300 Exhaust Muffler - Left or Rear Left

AP Exhaust 700300 Muffler Overview

The AP Exhaust 700300 muffler is designed for reliable exhaust performance 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
• Baffled muffler type with oval shape for efficient exhaust flow
• Inlet pipe diameter: 1.88" with left lower inlet location
• Outlet pipe diameter: 2.25" with center lower outlet location
• Single inlet and outlet configuration
• Regular grade type, non-tunable design
• Compatible with Buick Allure, Chevrolet Monte Carlo, Pontiac Grand Prix, and Buick LaCrosse

Detailed Product Description

The AP Exhaust 700300 muffler features a robust aluminized steel body measuring 14 inches in length, 9 inches in width, and 7 inches in height. Its oval shape and baffled internal configuration help reduce exhaust noise to an OE comparable sound level, maintaining factory-like performance. The muffler includes a single inlet pipe with a 1.88-inch inside diameter located on the left lower side, and a single outlet pipe with a 2.25-inch inside diameter positioned at the center lower side. This design supports efficient exhaust flow and fits the exhaust systems of Buick, Chevrolet, and Pontiac vehicles, including the Buick Allure, Chevrolet Monte Carlo, Pontiac Grand Prix, and Buick LaCrosse. The muffler is part of the MSL series, known for regular grade components suitable for standard driving conditions.

Common Applications and Problem Solving

• Replaces worn or damaged mufflers on compatible Buick, Chevrolet, and Pontiac models
• Reduces excessive exhaust noise while maintaining factory sound levels
• Prevents exhaust leaks caused by rust or corrosion in the muffler body
• Restores proper exhaust flow to improve engine efficiency
• Addresses fitment issues with OEM mufflers due to inlet/outlet size and location

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Ensure inlet and outlet pipe diameters match existing exhaust piping (1.88" inlet, 2.25" outlet)
• Left lower inlet and center lower outlet locations require proper alignment during installation
• Use appropriate clamps or welding methods for secure attachment
• Inspect exhaust hangers and replace if necessary to support the new muffler

Quality Assurance and Warranty

The AP Exhaust 700300 muffler is manufactured with aluminized steel to resist corrosion and extend service life. It meets industry standards for exhaust components and provides OE comparable sound levels. While specific warranty details are not provided, AP Exhaust products typically come with limited warranties covering defects in materials and workmanship. For exact warranty terms, consult the product documentation or manufacturer.