AP Exhaust 700420 Exhaust Muffler

AP Exhaust 700420 Exhaust Muffler Overview

The AP Exhaust 700420 muffler is designed for reliable exhaust performance on Chevrolet, GMC, and Isuzu trucks. Engineered with aluminized steel, this muffler offers durability and OE comparable sound levels for models like the Chevrolet Colorado and GMC Canyon.

• Body dimensions: 18" length, 9" width, 7" height
• Constructed from aluminized steel for corrosion resistance
• Baffled muffler type with Z configuration for effective sound attenuation
• Oval shape with 2.5" inlet and outlet pipe diameters
• Single inlet (left upper) and outlet (left lower) pipe design
• Regular grade type without heat shield attachment
• Overall length of 22" for precise fitment

Detailed Product Description

The AP Exhaust 700420 muffler is built to meet the exhaust needs of Chevrolet Colorado, GMC Canyon, and Isuzu i-series trucks including i-280, i-290, i-350, and i-370 models. Its aluminized steel body provides resistance against rust and corrosion, extending the muffler's service life. The baffled design with a Z configuration helps reduce exhaust noise to an OE comparable sound level, maintaining a quiet and comfortable driving experience. The oval-shaped muffler measures 18 inches in length, 9 inches in width, and 7 inches in height, fitting precisely within the exhaust system layout of the specified vehicles.

Applications and Problem Solving

• Replaces worn or damaged mufflers on Chevrolet Colorado and GMC Canyon trucks
• Restores proper exhaust flow and reduces excessive noise
• Helps prevent exhaust leaks caused by rust or corrosion
• Maintains factory sound levels for a comfortable ride
• Compatible with Isuzu i-280, i-290, i-350, and i-370 exhaust systems

Installation Notes and Tips

Ensure the inlet and outlet pipe diameters (2.5 inches) match your vehicle’s exhaust piping for a proper seal. The muffler’s left upper inlet and left lower outlet locations require alignment during installation. This muffler does not include a heat shield, so verify clearance in the exhaust area to avoid heat-related issues. Professional installation is recommended to ensure correct fitment and optimal performance.

Quality Assurance

Manufactured by AP Exhaust, part number 700420 meets industry standards for durability and performance. The aluminized steel construction offers corrosion resistance suitable for regular grade applications. While no specific warranty details are provided, AP Exhaust products are designed to meet OEM specifications for reliable service life.