Exhaust

BESTfit 2 Inch Diameter Zinc-Plated Steel Rain CapCover your flip top stack with this functional and cost effective rain cap. It prevents precipitation and foreign objects from entering your exhaust system. The cap is zinc coated and measures 2 inches in...

BESTfit 4 Inch Diameter Chrome-Plated Steel Rain CapDo you need to cover the opening of your exhaust? 4 State Trucks offers this high quality rain cap that will keep precipitation and foreign objects from entering your exhaust system. It is made with a...

5 Inch Diameter Rain Cap By BESTfitProtect your truck's exhaust system with the BESTfit 5 Inch Zinc-Plated Steel Rain Cap, designed to keep water and debris out of your stacks. Made from durable zinc-plated steel, this high-quality rain cap fits 5-inch...

BESTfit Steel V-Band Clamp Fits 5.9L CumminsDo you need to replace an old worn clamp? 4 State Trucks offers this quality V-Band Clamp that will make sure the downpipes on your exhaust are securely connected. It is made of a durable and strong steel to...

BESTfit 2.5 Inch Diameter Zinc-Plated Steel Rain CapDo you need to cover your vertical exhaust? 4 State Trucks offers this high quality rain cap to keep precipitation and foreign objects from entering your exhaust system. It is made of a zinc plated...

BESTfit 3.5 Inch Diameter Zinc-Plated Steel Rain CapCover your straight stack exhaust with this functional and cost effective rain cap. It keeps precipitation and foreign objects from entering your exhaust system. The rain cap is made of zinc plated...

BESTfit 4.5 Inch Diameter Zinc-Plated Steel Rain CapCover your straight stack exhaust with this functional and cost effective rain cap. It keeps precipitation and foreign objects from entering your exhaust system. The rain cap is made of zinc plated...

BESTfit 3 Inch Diameter Zinc-Plated Steel Rain CapHelp keep your engine at optimal performance by covering your straight exhaust stack opening with this shiny rain cap. It will prevent precipitation and foreign objects from entering your exhaust system...

Diesel Particulate Filter GasketThis DPF gasket kit is a durable, direct replacement for the original part, ensuring reliable performance and a long service life. It's the ideal solution for vehicles with damaged, failed, or missing gaskets.* High...

BESTfit 5 Inch 47 Degree Aluminized Intermediate Exhaust Pipe* High Quality Intermediate Pipe* 47 Degree Bend* 5 Inch O.D.* 5 Inch O.D. Outlet* Aluminized Pipe* Sold Individually* Warranty On Intermediate Plain Pipes Against Defects In Workmanship &...

BESTfit Multi-Bend Elbow BOM Fits International* High Quality Exhaust Pipe* Multi Bend* Made Of Non-Chrome* Fits Bottom Of Muffler* Sold Individually* Warranty On Exhaust Pipes Against Defects In Workmanship & Material From Date Of Purchase* Replaces OEM...

BESTfit International Muffler Mount ClampKeep your muffler secure on your International truck with this quality steel oval clamp. Ideal for horizontal applications, it replaces OE number 2505110C1 and fits muffler 07-080201. The clamp is sold...