EXHAUST

BESTfit Steel Exhaust Y-Pipe For Western Star 4964 Heritage Upgrade your vehicle's exhaust system with our quality steel pipes. Crafted in the USA, these pipes are designed to deliver durability and performance. Sold individually and not OEM, our...

BESTfit Chrome-Plated Steel Exhaust Elbow Pipe W/ 5 Inch I.D. Inlet & 5 Inch O.D. OutletEnhance your exhaust system with our chrome-plated steel elbows. Crafted for durability and performance, these elbows feature a 5-inch I.D. inlet under the cab and a...

BESTfit Exhaust ReducerElevate your exhaust system with our Chrome-Plated Steel Exhaust Reducer, expertly designed to transition seamlessly from a 7-inch inner diameter to a 5-inch inner diameter. Crafted with precision and durability in mind, this...

BESTfit Chrome-Plated Steel Exhaust Adapter Reducer 7 Inch O.D. to 5 Inch O.D.Upgrade your exhaust system with our Chrome-Plated Steel Exhaust Reducer, designed to seamlessly adapt from a 7-inch outer diameter at the top to a 5-inch outer diameter at the...

BESTfit Exhaust Elbow Fits Peterbilt Upgrade your piping system with our quality Pipe, proudly made in the USA to ensure superior craftsmanship and durability. Designed for reliable performance, each pipe is sold individually, providing you with...

BESTfit Lower Elbow Below Turbo Frame PipeElevate your exhaust system with our Galvanized Steel Elbow Pipe, proudly made in the USA for superior quality and durability. Designed with precision, this elbow pipe features a 5-inch inside diameter measuring...

BESTfit Exhaust Elbow Below Muffler Fits PeterbiltEnhance your exhaust system with our 5-Inch Plain Exhaust Elbow, designed for the passenger side. Crafted for durability and performance, this aftermarket replacement part is sold individually for your...

Aluminized Steel 75 Degree Exhaust Elbow W/ 5 Inch I.D. Inlet & 5 Inch O.D. OutletUpgrade your exhaust system with our Aluminized Steel Exhaust Elbow. Crafted with precision from quality materials, this elbow features a 5-inch I.D. inlet and a 5-inch O.D...

Steel 90 Degree Elbow PipeUpgrade your engine setup with our durable Steel Elbow. With a 5-inch length and 90-degree angle, this elbow is designed for use below the turbo, ensuring optimal performance. Made in the USA and sold individually as an...

BESTfit 9 Inch Diameter Muffler With 5 Inch Inlet & Outlet * High Quality Muffler* 9 Inch Diameter* 5 Inch Inlet And Outlet* Sold Individually* Made In The USA* Warranty On Muffler Against Defects In Workmanship & Material From Date Of Purchase.***High...

BESTfit 10 Inch Diameter Muffler With 5 Inch Inlet & Outlet * High Quality Muffler* 10 Inch Body Diameter* 44 1/2 Inch Body Length* 51 Inch Length * 5 Inch Inlet I.D.* 5 Inch Outlet I.D.* 3 Inch Inlet Tube Length* Standard Type 1* Sold Individually*...

BESTfit Sleeve For Upper Exhaust Mount Fits Kenworth   * High Quality Sleeve* Slides Through Center Of Exhaust Bushing On The Side Of The Cab* 3.75 Inch Length Overall* Sold Individually* Warranty On Sleeve Against Defects In Workmanship &...