Exhaust

BESTfit Steel V-Band Clamp For 3306 CAT Engines* High Quality V-Band Clamp* Holds Flanged Joints Together* Water Tight Seal* Highly Corrosion Resistant* Durable * Strong Steel* Dimensions  - 4.69...

BESTfit 6 Inch Diameter Chrome-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...

BESTfit 3.5 Inch Diameter Chrome-Plated Steel Rain CapHelp keep your engine at optimal performance by covering your vertical exhaust stack with this shiny rain cap. It will keep precipitation and...

BESTfit Steel V-Band Clamp Fits 3208T CATDo you need to replace old clamps on your exhaust? 4 State Trucks offers this high quality V-Band Clamp that will securely connect downpipes to offer a leak...

BESTfit Steel V-Band Clamp For 1994-1997 7.3L Powerstroke Engines* High Quality V-Band Clamp* For Turbo to Downpipe* Water Tight Seal* Highly Corrosion Resistant* Durable And Strong Steel*...

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...

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...

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...

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...

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...

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...

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...