Semi-Truck Mufflers for Heavy Duty Class 8 Trucks

BESTfit Chrome Steel Exhaust Muffler W/ Internal Louvered CoreThis is a chrome-plated steel muffler designed for various applications. It features a 38.4-inch body length, a 6-inch body diameter, a 5-inch inlet, and a 6-inch outlet. The overall length of...

BESTfit 8 Inch OD X 45 Inch VK Internal Muffler PipeEnhance your vehicle's exhaust system with our premium Muffler, meticulously crafted to deliver superior performance and sound control. Featuring substantial dimensions of 8 inches in diameter and 45...

BESTfit 7 Inch OD X 45 Inch VK Internal Muffler PipeElevate your vehicle's performance with our top-of-the-line Muffler, designed to deliver unparalleled sound control and airflow optimization. Featuring a generous 7-inch diameter and a 45-inch length,...

BESTfit 5 Inch OD X 45 Inch VK Internal Muffler PipeEnhance your vehicle's performance with our top-of-the-line Muffler, designed for superior sound reduction and optimal airflow. This aftermarket replacement part features a 5-inch diameter and a length...

BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/OutletConstructed from robust Aluminized Steel, this aftermarket muffler ensures durability and longevity for your vehicle's exhaust system. It comes with mounting hardware...

High Flow Stock Muffler ReplacementThis high flow replacement type one muffler is designed to work with most engines. With a bolt in design, it easily replaces a 10 inch diameter stock muffler without increasing noise level. Studies have shown a minimum...

BESTfit Chrome Exhaust MufflerUpgrade your vehicle's exhaust system with these premium Chrome-Plated Steel Mufflers. Featuring a sturdy construction, these mufflers have a body diameter of 6 inches, along with a 6-inch inlet and outlet for optimal...