BESTfit Exhaust Elbow 6-5 Inch Fits Peterbilt 379 & 378Revamp your Peterbilt 378 or 379's exhaust system with the BESTfit Chrome 58 Degree Exhaust Elbow, tailored for trucks with OE elbow number 14-13056Cp. Crafted from durable chrome-plated steel, this...

BESTfit Aluminized Steel 90 Degree Exhaust Elbow PipeThe BESTfit 5 Inch I.D./O.D. 90 Degree Exhaust Elbow Pipe provides a perfect fit for Peterbilt 377, 378, and 379 models, directly replacing OE number 14-13394-202. Made in the USA from high-quality...

BESTfit Exhaust Elbow Chrome Bottom Of Muffler Fits Peterbilt 379Ensure a precision fit for your Peterbilt 379 with the BESTfit Chrome 5 Inch 58 Degree Economy Exhaust Elbow. This premium exhaust component is made of chrome-plated steel for exceptional...

BESTfit Exhaust Elbow 7-5 Inch Fits Peterbilt 379 & 378Transform your Peterbilt 378 or 379's exhaust system with the BESTfit Chrome Steel 60 Degree Exhaust Elbow, designed to replace OE number 14-13056Cp. Made from chrome-plated steel, this exhaust elbow...

Multi-Bend Aluminized Exhaust Elbow Fits Single Exhaust Peterbilt 1999-2006* High Quality Down Pipe* Made Of Aluminized Steel* 5 Inch Diameter * OD/OD Pipe* 90 Degree Bends S Pipe* Sold Individually* Made In USA* Warranty On Down Pipes Against Defects In...

BESTfit Driver Side Chrome Multi-Bend Exhaust Elbow For Bottom Of Muffler Fits 377 or 378 PeterbiltThis high quality chrome 5 inch O.D. inlet & outlet multi-bend exhaust elbow fits Peterbilt 377 driver side and is used for longer fuel tank options. This...

BESTfit Passenger Side 19 Inch Multi-Bend Exhaust Elbow For Bottom Of Muffler W/ 5 Inch O.D. Inlet & OutletThis Chrome-Plated steel mult-bend exhaust pipe has no weld seems between bends. The pipe is 19 inches long overall with a 5 inch O.D. inlet and...

BESTfit Aluminized Steel 90 Degree Exhaust Down PipeThe 5 Inch Multi-Bend Down Pipe is the go-to replacement for OE numbers 14-15073 & EP50-EL90124A, and it fits Peterbilt 357, 377, 378, and 379 models. Constructed from high-quality aluminized steel,...

Multi-Bend Turbo Pipe For PeterbiltRevitalize your Peterbilt's exhaust system with the innovative 5 Inch Multi-Bend Turbo Pipe from 4 State Trucks. Constructed from high-grade aluminum for maximum durability, this turbo pipe features a 5-inch flanged...

BESTfit Aluminized 409 Stainless Steel Exhaust Pipe Fits Peterbilt 389 Day Cab* High Quality Exhaust Pipe* 409 Aluminized Stainless Steel* Fits Day Cab* Made In The USA* Sold Individually* Warranty On Exhaust Pipes Against Defects In Workmanship &...

Exhaust Bushing Kit With Sleeve Fits Peterbilt 2010-Newer* High Quality Exhaust Bushing Kit* Sold As Kit* Kit Includes  - E-Clips  - Shaft  - Flat Washers  - Bushings* Warranty On Exhaust Bushing KitS Against Defects In Workmanship &...

Aluminized Steel 75 Degree Exhaust Elbow W/ 5 Inch I.D. Inlet & 5 Inch O.D. OutletBoost your Peterbilt 377, 378, or 379's exhaust with the BESTfit 5 Inch 75 Degree Aluminized Exhaust Elbow from 4 State Trucks. Made of aluminized steel, this exhaust elbow...