Exhaust

BESTfit Y-Pipe Fits PeterbiltTransform your Peterbilt's exhaust system with the BESTfit Chrome 6 Inch Y-Pipe, engineered for 378, 379, 389, and 389 Glider models. Made from chrome-plated steel, this Y-Pipe not only enhances your truck's appearance but...

BESTfit Y-Pipe Fits PeterbiltRevamp your Peterbilt's exhaust system with the premium BESTfit Chrome 7 Inch to 5 Inch Y-Pipe from 4 State Trucks. Crafted for the BESTfit long leg, this chrome-plated steel Y-Pipe transitions smoothly from 7 to 5 inches O.D...

BESTfit Exhaust Elbow Below Muffler Fits PeterbiltThis high quality 5 inch plain exhaust elbow fits Peterbilt passenger side. The elbow comes with a 1 year warranty.* High Quality Exhaust Elbow* 5 Inch Plain* Passenger Side* Sold Individually* Warranty...

BESTfit Aluminized Steel 85 Degree Turbo Pipe With 5 Inch ODUpgrade your exhaust system with this BESTfit 85-Degree Turbo Pipe, designed to fit Peterbilt 357, 377, 378, and 379 models, replacing OE part number 14-13002. This aluminized steel pipe, with a...

BESTfit 5 Inch Taper Lock Y Exhaust PipeEnhance your exhaust system with the BESTfit Chrome 5 Inch Tapered Y-Pipe, designed to fit Peterbilt 378, 379, 389, and 389 Glider models. This premium Y-Pipe is manufactured from chrome-plated steel, ensuring a...

BESTfit Exhaust Y Pipe Fits Peterbilt 379 Day Cab With Behind-The-Cab MufflersFor Peterbilt 379 day cab owners looking to replace their current exhaust tee, look no further than the BESTfit Exhaust Tee is the optimal choice. Sold individually, this...

Peterbilt Chrome 58 Degree Angled Exhaust Elbow - 5 OD To 5 OD InchThis is a durable, high-quality chrome steel exhaust connector with a stunning triple chrome-plated finish for a long-lasting shine. It's designed to connect two exhaust pipes, each with...

Poly Upper Exhaust Bushing Fits Peterbilt 388, 389 & 386* High Quality Exhaust Bushing* Poly And Rubber* Exhaust Mount* 1.125 Inch* .750 Inch* 1.750 Inch* I.D. .437* Sold Individually* Warranty On Exhaust Bushing Against Defects In Workmanship & Material...

BESTfit Aluminized Steel Exhaust Y-PipeUpgrade your Peterbilt 377, 378, 379, or 386's exhaust with the BESTfit 5 Inch Aluminized Y-Pipe Exhaust. Crafted from high-quality aluminized steel for superior durability and performance, this Y-Pipe features a 5...

BESTfit Long Elbow Under Exhaust Tee Fits Peterbilt* Made Of High Quality Aluminized Steel* 5 Inch O.D. Inlet* 5 Inch O.D. Outlet* 42.50 Inches Overall Length* 11.50 Inches Overall Height* 90-Deg Bend* Mounts Under The Truck Below The Exhaust Tee* Sold...

BESTfit Exhaust Y-PipeThe BESTfit 5 Inch Aluminized Y-Pipe Exhaust is a replacement for OE number 14-13055, crafted for Peterbilt's 377, 378 SBA/SFA, and 379 models. Constructed from aluminized steel and manufactured in the USA, it guarantees durability...

BESTfit Chrome Y-Pipe For Long Leg ElbowEnhance your Peterbilt's exhaust with the BESTfit Chrome Steel Y-Pipe, expertly designed to transition from 8 to 5 inches O.D. for a long leg elbow configuration. Made from high-quality chrome-plated steel, this...