Exhaust

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...

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 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 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...

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...

BESTfit Long Drop Elbow 7 To 7 Inch Fits PeterbiltFor Peterbilt 378 and 379 owners, the BESTfit 7 Inch Chrome Long Drop Elbow offers an unbeatable combination of style and performance. Made from chrome-plated steel, this long drop elbow boasts a...

BESTfit Passenger Side Chrome Multi-Bend Exhaust Elbow For Bottom Of Muffler Fits 379 PeterbiltThis high quality chrome 5 inch O.D. inlet & outlet multi-bend exhaust elbow fits Peterbilt 379 passenger side. It is made in the USA and comes with a 1 year...

BESTfit Tappered Top 7 to 5 Inch OD Long Drop Elbow Fits PeterbiltUpgrade your Peterbilt 378 or 379 with BESTfit's Chrome Plated Steel Long Drop Elbow for an unmatched combination of style and efficiency. This premium elbow transitions from 7 inches to 5...

BESTfit Chrome Stainless Steel Wide Straight ClampSecure your Peterbilt's exhaust with precision and style using the BESTfit 6 Inch Chrome-Plated Stainless Steel Wide Straight Clamp. Designed for use on Peterbilt 377, 378, 379, 386, 388, and 389 'models,...

Turbo Extension Pipe Fits PeterbiltDesigned for trucks with the exhaust mounted above the frame, this turbo extension pipe is made of aluminized steel and has a single 20 degree bend. It has a 5 inch ID inlet and a 5 inch OD outlet. The pipe fits 1995...

BESTfit Long Drop Elbow 6 To 6 Inch Fits PeterbiltGive your Peterbilt 378 or 379 the upgrade it deserves with the BESTfit 6 Inch Chrome Long Drop Elbow. Crafted from chrome-plated steel for maximum durability, this long drop elbow features a 90-degree...

8 Inch Stainless Steel Y-Pipe Hanger KitEnhance the stability and appearance of your Peterbilt with the BESTfit Y-Pipe Hanger Stainless Steel 8 Inch Kit. Specially designed for trucks equipped with a 8-inch long drop elbow, this kit includes premium...