Exhaust

BESTfit 5 Inch Exhaust Y-Pipe Combo Fits Peterbilt 357 & 378 Passenger SideThe BESTfit 5 Inch Plain Economy Exhaust Y-Pipe Combo is an ideal replacement for Peterbilt 357 and 378 trucks with high mount passenger side exhaust systems. Designed to match OE...

Replacement Aluminized Steel Single Exhaust Pipe Fits PeterbiltThe BESTfit Aluminized Steel Exhaust Pipe is a high-quality replacement designed specifically to fit Peterbilt 387 models. Made from durable aluminized steel, this exhaust pipe features a...

BESTfit 23 Inch Long Turbo Down Pipe W/ 4 Inch OD & 3.85 Inch IDThe BESTfit Aluminized Turbo Down Pipe is a high-quality replacement designed for Peterbilt 386 trucks. Constructed from durable aluminized steel, this turbo down pipe features a 4-inch...

Upper Exhaust Mount Bracket For Driver Or Passenger SideThe BESTfit Driver or Passenger Side Upper Exhaust Mount Bracket is an essential replacement part engineered specifically for Peterbilt 388 and 389 trucks. Made from durable materials, this bracket...

Passenger Side Upper Exhaust Slider Clamp Replaces OE M16-6048R & M166048R By BESTfit* High Quality Slider Clamp Assembly* Designed For Use With 5 Inch Diameter Exhaust Stack* Includes:  - Clamp, 5 Inch Diameter  - Exhaust Mount With Poly...

Driver Side Upper Exhaust Slider Clamp Replaces OE M16-6048 & M166048 By BESTfit* High Quality Slider Clamp Assembly* Designed For Use With 5 Inch Diameter Exhaust Stack* Includes:  - Clamp, 5 Inch Diameter  - Exhaust Mount With Poly Bushing (3...

BESTfit Peterbilt Poly Exhaust Clamp Assy MountThe BESTfit 5 Inch OD Upper Exhaust Clamp Assembly with Poly Mount is a high-quality replacement part designed for Peterbilt 388 and 389 models. This exhaust clamp assembly features a durable poly mount that...

BESTfit 304 Stainless Steel 5 X 48 Inch Flex Hose* High Quality Flex Hose* Sf Series - Non Magnetic* Interlocked Profile* 304 Stainless Steel* 48 Inch Length* 5 Inch Diameter* Sold Individually* Warranty On Flex Hoses Against Defects In Workmanship &...

BESTfit Chrome 7-5 X 54 Inch Curve Turn Exhaust Stack* High Quality Exhaust Stack* Curved Top Style* Ceramic Lined To Help Prevent Chrome DISColoration* Chrome Plated Finish* 54 Inch Height* 7 Inch Reduced To 5 Inch Outer Diameter* Sold Individually*...

BESTfit Chrome 7 X 96 Inch Miter Exhaust Stack* High Quality Exhaust Stack* Miter Top Style* Chrome Plated Finish* 96 Inch Height* 7 Inch Inner Diameter* Sold Individually* Warranty On Exhaust Stacks Against Defects In Workmanship & Material From Date Of...

5 to 4 X 8 Inch Turbo Adapter* High Quality Exhaust Pipe Reducer* Turbo/Manifold Adapter* Made Of Aluminized Steel* Dimensions:  - 8 Inch Length  - 4 Inch Inner Diameter  - 5 Inch Outer Diameter To 5.75 Outer Flare* Sold Individually*...

BESTfit 8 X 108 Inch West Coast Turn Exhaust Stack* High Quality Exhaust Stack* West Coast Turn* Chrome-Plated Steel* 8 Inch Outer Diameter* 108 Inch Height* Sold Individually* Warranty On Exhaust Stacks Against Defects In Workmanship & Material From...