Exhaust

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...

BESTfit Polyurethane Exhaust Mount GrommetsIntroducing the BESTfit Black Poly Exhaust Mount Grommets, specifically designed for Peterbilt 375, 377, 378, 379, 386, 389 and 389 Glider models. Made from high-quality black polyurethane, these grommets are...

BESTfit Driver Side Chrome Multi-Bend Exhaust Elbow For Bottom Of Muffler Fits 379 PeterbiltThis high quality chrome 5 inch OD inlet & outlet multi-bend exhaust elbow fits Peterbilt 377 and 378 driver side. It is made in the USA and comes with a 1 year...

BESTfit Turbo Pipe Fits PeterbiltEnhance your Peterbilt 377, 378, or 379 with the BESTfit 5 Inch Turbo Pipe, specifically engineered to replace OE number 14-15329 and Dynaflex number 09-8-101-220. Made of aluminized steel, this turbo pipe boasts a 5-inch...

7 Inch Stainless Steel Y-Pipe Hanger KitOptimize your Peterbilt's exhaust system with the BESTfit Y-Pipe Hanger Stainless Steel 7 Inch Kit, a comprehensive solution designed for trucks with a 7-inch long drop 90-degree elbow. Each kit contains two...

8 Inch Black Steel Y-Pipe Hanger KitUpgrade your Peterbilt's exhaust with the BESTfit Y-Pipe Hanger Black Steel 8 Inch Kit, designed for seamless integration with 8-inch long drop 90-degree elbows and full-size exhaust tees. This comprehensive kit...