Exhaust

BESTfit Heat Shield Fits Multiple ModelsShield your exhaust with our high mount heat shield, designed for a 5-inch exhaust pipe with one inch of breathing room. Protect your system from excessive heat and ensure optimal performance.* High Quality Heat...

Stainless Steel 3.5 Inch V-Band Clamp* High Quality V-Band Clamp* Stainless Steel* 3.50 Inch* Sold Individually* Warranty On V-Band Clamps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not...

BESTfit 4 X 60 Inch Aluminized Steel TubeAre you looking to customize your exhaust for the best performance and sound possible? 4 State Trucks offers this high quality straight cut exhaust stack that is made to perform. It is constructed with strong and...

BESTfit DPF Flexible Exhaust Connector, Replaces A04-25922-018This high quality 4 X 16 inch DPF flex connector that fits Freightliner models includes: 1 flex connector with flanged ends, 2 V band clamps, 2 steel V band adapters, and 2 exhaust rings. The...

BESTfit Chrome Flat Top Style Top Exhaust Stack 6-5 X 68 Inch* High Quality Exhaust Top Stack* Top Cut Style - Flat Top* Made Of Chrome-Plated Steel * 6 Inch OD Stack With Reduced 5 Inch OD Extra Long Inlet* Long Reduced 5 Inch End Measures 7 Inches...

BESTfit Stainless Steel 14.5 Inch Long DPF Flex Connector PipeRevitalize your truck's exhaust system with the BESTfit 5 Inch X 14.5 Inch Bead Flex Connector, specifically designed to replace OE numbers M66-6542-0335 and M66-6132-0320. This...

BESTfit Filter Clamp For DPF* High Quality Filter Clamp* Sold Individually* Warranty On Filter Clamps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***** Replaces OE Numbers 2871863,...

BESTfit DPF Exhaust Flex Connector PipeBESTfit's 4 X 11.375 Inch Flex Connector is the top choice for replacing OE numbers M66-6541-0320 and M66-7091-0320, fitting a wide range of Kenworth and Peterbilt trucks. This 4-inch flange flex connector is...

BESTfit DPF Gasket Replaces 2871453DPF Gasket Fits Cummins* High Quality Gasket* This Product Cannot Be Sold Or Shipped To California Currently* Sold Individually* Warranty On Gaskets Against Defects In Workmanship & Material From Date Of Purchase***...

Muffler Replaces OE Numbers 1518317C1 And 1518317C2Introducing the durable and high-quality Galvanized 10 Inch Muffler, designed as a replacement for OE numbers 1518317C1 and 1518317C2. This high-quality muffler is crafted from galvanized steel to offer...

1-Piece Stainless Steel Diesel Particulate Filter Fits Cummins ISC Engine* High Quality Diesel Particulate Filter* Made Of Stainless Steel * Exclusive 1-Piece Canister Design For Durability* OEM Quality Clamps And Gaskets Included* Sold Individually *...

BESTfit 10 Inch Diameter Muffler With 5 Inch Inlet & OutletOptimize your exhaust system with the BESTfit 10 Inch Diameter Muffler, featuring a 5-inch inlet and outlet for maximum efficiency. With a body diameter of 10 inches and an overall length of 51...