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Peterbilt 378, 379 8 To 5 Inch OD Chrome Exhaust Elbow W/ 29 Inch Top Leg & 20 Inch Bottom Leg by BESTfit
BESTfit Chrome Plated Steel 90 Degree Long Drop Elbow, Reduced 8 Inch To 5 InchRevolutionize your Peterbilt 378 or 379's exhaust system with the BESTfit Chrome Plated Steel Long Drop Elbow. This premium elbow transitions from 6 inches to 5 inches OD,... -
BESTfit Aluminized Stainless Steel Exhaust Pipe Replaces M66-7272-001 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 premium replacement designed specifically for Peterbilt 389 Day Cab models. Constructed from durable 409 aluminized... -
Peterbilt 378, 379 8 Inch OD Long Drop Elbow W/ Tapered Top by BESTfit
BESTfit Chrome Plated Steel 90 Degree Long Drop Exhaust ElbowTransform your Peterbilt 378 or 379 with the sleek and durable BESTfit 8 Inch Chrome Long Drop Elbow. This high-quality, chrome-plated steel elbow features a long drop style with a 90-degree... -
Peterbilt 378, 379,389 Glider 5 Inch Aluminized Taper Lock Y-Pipe For by BESTfit Long 90 Degree Elbow
BESTfit 5 Inch Aluminized Taper Lock T-Pipe For Long Drop Elbows For Use Without Flex PipeOptimize your truck's exhaust system with the BESTfit 5 Inch Aluminized Taper Lock Y Pipe, tailored for Peterbilt 378, 379, and 389 Glider models. This T-Pipe is... -
Peterbilt 378, 379 6 To 5 Inch OD Long Drop Elbow by BESTfit
BESTfit Chrome Plated Steel Long Drop Elbow, 6 To 5 InchElevate your Peterbilt's exhaust system with the BESTfit Chrome Plated Steel Long Drop Elbow from 4 State Trucks. Specially designed for the 378 and 379 models, this elbow reduces from 6 inches to 5... -
BESTfit 5 Inch ID/OD Chrome Y Exhaust Pipe Replaces 14-13055 For Peterbilt 377, 378 SBA, 378 SFA, 379
BESTfit Chrome-Plated Steel Exhaust Y-Pipe W/ 5 Inch ID Inlet & 5 Inch O.D. OutletsIntroducing the BESTfit Chrome 5 Inch ID/O.D. Y Exhaust Pipe, a replacement for OE number 14-13055. Designed to fit Peterbilt 377, 378 SBA/SFA, and 379 models, this... -
BESTfit 5 Inch Aluminized Y Pipe RH Combo For Peterbilt 387
BESTfit 5 Inch Aluminized Y Pipe RH ComboThe BESTfit 5 Inch Aluminized Y Pipe RH Combo is a durable, high-quality replacement for your Peterbilt 387 exhaust system. Designed to replace OE part number 14-25077, this right-hand side Y pipe offers excellent... -
BESTfit 6 Inch Chrome Long Leg Elbow Reduces To 5 Inch OD W/ Tapered Top For Peterbilt 378, 379, 389 Glider
BESTfit 6 Inch Chrome Long Leg Elbow Reduces To 5 Inch O.D. W/ Tapered Top Fits Peterbilt 378, 379 & 389 GliderTransform your exhaust with the BESTfit 6 Inch Chrome Long Leg Elbow, compatible with Peterbilt 378, 379, and 389 Glider models. This... -
9 Inch Diameter Muffler With Built In Y-Pipe For Peterbilt 378, 379
BESTfit Exhaust Y-Pipe With Muffler Fits PeterbiltOptimize your Peterbilt's exhaust system with the BESTfit Steel Exhaust Y-Pipe, complete with a 9-inch muffler. This premium exhaust component is made from high-quality steel, offering unmatched longevity... -
BESTfit 5 OD X 18 Inch Intermediate Straight Pipe Replaces 14-13940-0460 For Peterbilt 357, 378, 379
BESTfit Intermediate Pipe Plain Fits PeterbiltThis straight 5 OD x 18-inch chrome replacement pipe is designed for select Peterbilt 357, 378, and 379 trucks with dual exhaust systems above the frame. Crafted from premium materials, it promises durability... -
BESTfit 11 Inch Diameter Muffler 5 ID / ID X 61.5 OAL For Peterbilt 387
BESTfit Muffler 55 Inch X 11 InchThis high quality 55 X 11 inch muffler fits Peterbilt 387 and Kenworth T2000 models. The muffler has an overall 5 inch ID and comes with a 1 year warranty.* High Quality Muffler* 11 Inch x 55 Inch x 61.5 Inch* Overall 5... -
Peterbilt 377, 378, 379, 386, 388, and 389 7 Inch Chrome Wide Straight Exhaust Clamp Replaces 50BJ-PB700SCP by BESTfit
BESTfit Chrome Stainless Steel Wide Straight ClampEnsure your Peterbilt's exhaust is securely mounted with the BESTfit 6 Inch Chrome-Plated Stainless Steel Wide Straight Clamp. Specially designed to replace OE number 50BJ-PB700SCP, this high-quality...