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BESTfit Aluminized Stainless Steel Exhaust Pipe Replaces M66-7271-001 For Peterbilt 389 Day Cab
BESTfit Aluminized 409 Stainless Steel Exhaust Pipe Fits Peterbilt 389 Day CabThe BESTfit Aluminized Stainless Steel Exhaust Pipe is a durable and reliable replacement designed for Peterbilt 389 Day Cab models. Constructed from 409 aluminized stainless... -
BESTfit Exhaust Bushing Kit Upper With Sleeve For Peterbilt 388, 389
Peterbilt Exhaust Bushing Kit With Sleeve By BESTfitThe BESTfit Exhaust Bushing Kit Upper With Sleeve is designed specifically for Peterbilt 388 and 389 models, providing a durable and reliable solution for exhaust mounting. This high-quality kit... -
BESTfit 5 Inch 75 Degree Aluminized Exhaust Elbow Below Turbo Pipe For Peterbilt 379 Replaces 14-13395
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... -
BESTfit 5 Inch Multi-Bend Exhaust Elbow Replaces 14-13845LC For Peterbilt 378, 379 Driver Side
BESTfit Exhaust Elbow Fits Peterbilt 378 & 379 Driver SideThis high-quality exhaust elbow is built from chrome-plated steel and features a durable multi-bend design engineered for smooth exhaust flow and long-lasting performance. Made for the driver side... -
Chrome 6 Inch Y-Pipe For BESTfit Long Leg For Peterbilt 378, 379, 389, 389 Glider
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... -
Chrome 7 -5 Inch OD Y-Pipe For BESTfit Long Leg For Peterbilt 378, 379, 389, 389 Glider
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 5 Inch Plain Exhaust Elbow Replaces 14-15503 For Peterbilt 357 & 378 Passenger Side
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* 4 Bend* Plain With Flat Part For Below Muffler Mount* 5... -
Peterbilt 357, 377, 378, 379 85 Degree Turbo Pipe Replaces 14-13002 by BESTfit
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... -
Peterbilt 378, 379, 389, 389 Glider Chrome 5 Inch Tapered Y-Pipe by BESTfit
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 Tee Replaces 14-13978-0150 For Peterbilt 379 Day Cab With Mufflers Mounted Behind The Cab
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 378, 379 Chrome 5 Inch OD 58 Degree Exhaust Elbow by BESTfit Replaces 14-13056CP
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... -
BESTfit Poly Upper Exhaust Bushing Replaces M13-6001 For Peterbilt 388, 389 & 386
BESTfit Poly Upper Exhaust Bushing Fits Peterbilt 388, 389 & 386The BESTfit Poly Upper Exhaust Bushing is a durable replacement part designed to fit Peterbilt 388, 389, and 386 models. Engineered to replace the OEM M13-6001 bushing, this high-quality...