Dynomax Performance Muffler, Heavy Duty, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each - 21172

Transform your GMC or Chevrolet with the Dynomax Performance heavy-duty muffler, designed to enhance your vehicle's exhaust flow and sound. This 4-inch inlet and outlet muffler delivers a deep, aggressive tone while maintaining optimal performance.

• High-quality aluminized steel construction ensures durability and longevity, even under extreme conditions.
• Glass-wrap perforated tube internal design promotes efficient exhaust flow, reducing back pressure for improved horsepower.
• Standard outlet style allows for easy installation without the need for additional tips, simplifying your upgrade process.
• Center inlet and outlet configuration perfectly fits select models from 2001-2006, ensuring a snug and secure fit.
• Round case shape with a length of 22 inches offers a compact solution for tight spaces, making it ideal for performance enthusiasts.

This muffler is sold individually and is specifically designed for 2001-2006 GMC and Chevrolet vehicles, making it a reliable choice for your exhaust system upgrade.

Upgrade your ride with the Dynomax Performance muffler and experience the difference in sound and performance.