EXHAUST

BESTfit 4 Inch Diameter X 3 Inch Marmon Flange * High Quality Flange* 4 Inch Marmon Flange* 3 Inch Long* Sold Individually* Warranty On Flange Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part...

BESTfit 5 Inch Aluminized 47 Degree Exhaust Elbow BOM * High Quality Exhaust Elbow* Exhaust Elbow For T600, T800, and W900* 5 Inch O.D. Inlet* 5 Inch O.D. Outlet* 47 Degree Bend* Fits Kenworth With Single Exhaust* Sold Individually* Warranty on Exhaust...

BESTfit 8 Inch I.D. X 8 Inch Length Coupler * High Quality Coupler* 8 Inch I.D. X 8 Inch Length* Sold Individually* Warranty On Coupler Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket Replacement Part (Not...

BESTfit 5 To 4 Inch Turbo Flange Pipe * High Quality Turbo Flange Pipe* 4 Inch O.D. * Adapted To 5 Inch I.D. * Steel Pipe * 8 Inches Long* Sold Individually* Warranty On Flange Pipe Against Defects In Workmanship & Material From Date Of Purchase***High...

BESTfit Exhaust Adapter Reducer 7 Inch O.D. to 5 Inch O.D. Aluminized * High Quality Exhaust Adapter Reducer* 7 Inch O.D. On Top* 5 Inch O.D. On Bottom* 8 Inch Length* Sold IndividuallyWarranty On Exhaust Reducers Against Defects In Workmanship &...

BESTfit 5 X 46 Inch Long Straight Exhaust Pipe * High Quality Exhaust Pipe* Made Of Aluminum* 46 Inch Long* 5 Inch O.D.* Sold Individually*** High Quality Aftermarket Replacement Part (Not OEM) ***

BESTfit DPF Filter Clamp * High Quality Filter Clamp* Fits DPF Filters 29-0809011* Sold Individually* Warranty On Filter Clamp Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)****...

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...

BESTfit DPF Gasket Fits Volvo * High Quality Gasket* Replaces OEM # 21212522* Sold Individually* Warranty On Gasket Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***

BESTfit Heat Shield Fits Multiple Models * High Quality Heat Shield * Use 29-080806 For Shield Clamp* Replaces OEM # 04-16566-003, 05-19066-550, 14-01661* Sold Individually* Warranty On Shield Clamp Against Defects In Workmanship & Material From Date Of...

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...

BESTfit Ceramic Coated Steel Elbow Fits KenworthAt 4 State Trucks, we offer this quality 5 inch Y pipe combo for the passenger side. It is made out of aluminized steel with a ceramic coating and replaces OE part number K180-17876. The pipe fits 1999...