Exhaust

Cummins DPF Gasket By BESTfitPrevent exhaust leaks and maintain proper DPF operation with this BESTfit DPF Gasket for Cummins engines. Built to replace OEM part 2871453, it delivers precise fit and dependable performance. Sold individually, it's the...

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...

BESTfit Stainless Steel Exhaust Flexible Connector W/ V Band Clamps, Replaces A04-258522-018Ensure optimal DPF performance on your Freightliner or Western Star truck with the BESTfit 5 x 15.5 Inch Flex Connector Pipe. With flanged inlet and outlet 5...

BESTfit V Band Clamp Replaces 01-14596-000Secure your turbo setup with the Turbo Housing V Band Clamp, designed to fit select Freightliner, Peterbilt, and Volvo models. This USA-made clamp is engineered for precision and durability, offering a perfect...

BESTfit Stainless Steel 14.25 Inch Long DPF Flex Connector W/ 4 Inch Flange* High Quality Exhaust Connector* 4 Inch Flange x 4 Inch Flange x 14.250 Inch Compressed* Sold Individually* Made In USA* Warranty On Exhaust Connectors Against Defects In...

BESTfit 5 X 5 X 16 Inch Flex ConnectorThe BESTfit Flex Connector is engineered for Volvo VNL and Mack CXU trucks, replacing OEM 21428532, 21959389, and 22307697. With 5-inch flanges and a 16-inch compressed length, this high-quality exhaust bellows is...

BESTfit 9 Inch Diameter Muffler With 5 Inch Inlet & OutletUpgrade your truck's exhaust system with the BESTfit 9 Inch Diameter Muffler from 4 State Trucks. This high-quality muffler is designed to provide superior exhaust flow and a quieter ride, thanks...

BESTfit 3.5 X 4 Inch Type A Turbo Manifold Outlet With 4.25 Inch Flange Fits 7.3L Powerstroke EnginesImprove the turbo efficiency of your 7.3L Powerstroke with the BESTfit 3.5 X 4 Inch Type A Turbo Manifold Outlet from 4 State Trucks. This turbo outlet,...

BESTfit Turbo To Elbow Kit For Single StackIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have A Fantastic Mirror Finish.* High...

BESTfit Turbo To Elbow Kit For Single StackIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have A Fantastic Mirror Finish.* High...