Exhaust

BESTfit Aluminized Steel Hi Mount Y 5 Bend Pipe ComboThe 5" 5-bend Y-pipe made of aluminized material and featuring an outer diameter/outer diameter/inner diameter design is specifically designed for Peterbilt 357, 378, and 379 models manufactured...

5 Inch 90 Degree Exhaust Elbow BOM Fits Peterbilt 387* High Quality Exhaust Elbow* 90 Degree, 5 Inch OD/OD* Fits Peterbilt 387 With Dual Exhaust Behind the Sleeper* Sold Individually* Warranty on Exhaust Elbow Against Defects In Workmanship & Material...

Chrome 6 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree ElbowsIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have A...

Chrome 6 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T PipeIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...

Peterbilt Turbo Connection PipeUpgrade your Peterbilt with our premium 68 Degree Turbo Pipe, designed to seamlessly replace OE number 14-14256 and Dynaflex number 09-8-107-220. This high-quality turbo connection pipe is made from durable aluminized...

BESTfit Exhaust Elbow Fits Peterbilt 378 & 379Introducing the BESTfit Exhaust Elbow for the passenger side of Peterbilt 378 and 379 models, and a replacement for OE number 14-13845RC. This exhaust elbow, made from chrome-plated steel, not only adds a...

Chrome 6 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T PipeIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have...

Pete Exhaust Mount Clamp Half For 5 Inch PipeKeep your Peterbilt 377 & 378's exhaust securely mounted with our aluminized exhaust shield mounting clamp for 5-inch pipes. Designed to offer a robust solution for your truck, this clamp replaces OE number...

BESTfit Lower Elbow Below Turbo Frame PipeFor Peterbilt 379 owners, the BESTfit 5 Inch ID/O.D. 90 Degree Elbow Pipe offers a replacement for OE number 14-13433. Sold individually, this elbow pipe is made from high-quality galvanized steel, offering...

BESTfit Aluminized Steel 58-Degree Turbo Exhaust Pipe ReplacementThe BESTfit 5 Inch OD 58 Degree Turbo Elbow is designed to provide Peterbilt 377, 378, and 379 models with an exhaust upgrade. This high-quality replacement pipe, made in the USA, is a...

Chrome 6 Inch Exhaust Kit With 52 Inch Spool & 58 Degree ElbowIntroducing BESTfit CHROME EXHAUST KITS! These Kits Are Installer-Friendly, Produced With All High Quality Components, Offer The Best Tee Pipe Options In The Industry, And Have A Fantastic...

BESTfit Exhaust Elbow 6-5 Inch Fits Peterbilt 379 & 378Revamp your Peterbilt 378 or 379's exhaust system with the BESTfit Chrome 58 Degree Exhaust Elbow, tailored for trucks with OE elbow number 14-13056Cp. Crafted from durable chrome-plated steel, this...