Exhaust

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 A04-258522-018This high quality 5 X 16 inch DPF flex connector that fits Freightliner and Western Star Constellation models includes: 1 flex connector with flanged ends, 2 V...

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 Flex Connector* High Quality Exhaust Bellows* 5 Inch Flange x 5 Inch Flange x 16 Inch Compressed* Sold Individually* Made In USA* Warranty On Flex Connector Against Defects In Workmanship & Material From Date Of Purchase**ATTENTION BUYER: We Make...

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...

BESTfit 7 Inch Turbo To Elbow Kit For Dual Stacks Fits Dodge W/ 5.9L Cummins 1994-2002Introducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry,...

BESTfit 7 Inch Turbo To Elbow Kit For Dual StacksIntroducing 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.*...