Peterbilt 379 Exhaust Kits & Components

These rubber bushings give your exhaust system just the right amount of "give" as your truck bounces down the road. They protect your clamps and br...

This straight-mount, 1" wide clamp is economical, but sturdy enough to be trusted with your stacks. Includes tightening screw. Mounting bracket, bo...

This heavy-duty stainless bracket is one of our best-sellers. You can trust this solid piece to keep your stacks stable. Includes rubber gasket. So...

The classic 58-degree angle is a great choice for owners who want to breathe new life into their exhaust setup without going overbudget. The 6" dia...

Sold SINGLE. Includes rubber gasket. Replaces OEM part # 14-12998.

Measures 3-3/8" wide. Includes adjustment bolts. Sold SINGLE.

This 5 inch Y-pipe is the core of your Dynaflex exhaust setup. It fits under the truck, connecting the elbows to the turbo or muffler.Use stainless...

Measures 3-3/8" wide. Includes adjustment bolts. Sold SINGLE. Manufactured in the USA.

The classic 58-degree angle is a great choice for owners who want to breathe new life into their exhaust setup without going overbudget. This parti...

Sold SINGLE. Intended for use with Trux Accessories exhaust kits. May work with other brands. Reduces to 5" at the bottom end.

This angled mounting bracket can be used to adjust the position of your stacks. Depending on your truck's unique measurements and your preferences,...

Part of Dynaflex's taper lock exhaust system. Sold SINGLE.

This is a 5" diameter, 58-degree, original-style elbow for Peterbilt 379. It is chrome plated. Fits trucks through 2007 - will not fit newer trucks...

This stack tip fits on top of a 6" diameter center spool, bringing your overall height to about 96" (8 feet). This height will vary from truck to t...

This extra-wide clamp is part of the Dynaflex exhaust system. The width of these clamps is essential to creating the illusion of a single-piece pip...

Sold SINGLE. Includes stainless steel adjustment bolt. This is a 1" wide, 8" diameter exhaust clamp for Peterbilt stack systems.

Compatible with Trux exhaust kits. Sold SINGLE.

This top stack mounts on top of a 6" diameter center spool piece, usually bringing the overall height of the exhaust to about 108" (9 feet). This m...

Fits driver or passenger's side. Includes all mounting hardware. Mounts the exhaust pipe to either the upper or lower cab bracket. The angled optio...

Intended for use with Roadworks Exhaust components. Sold SINGLE.

Intended for use with Roadworks Exhaust components. Sold SINGLE.

Sold SINGLE. This is a wide band clamp, meant to cover the joint where two pipes meet.

Sold SINGLE.

Sold SINGLE. Top leg measures 29" long and the bottom leg measures 20" long.

Sold SINGLE.

Sold SINGLE.

Sold SINGLE.

Sold SINGLE.

Sold SINGLE.

These 55" center spools will fit on most newer Peterbilts. Around 2003, most trucks were changed to this size, from the 52" used in most older truc...

Replaces OEM Peterbilt part #14-03056CP. This elbow is a standard, 58-degree angle. 5" diameter opening on both ends.

This elbow is galvanized, not chrome plated. It is an OEM-style, 68-degree elbow intended to replace the stock elbow on a Peterbilt 359. It measure...

Peterbilt 7" clamp for exhaust. Made by Dynaflex so you know it is strong and dependable.

Not chrome plated.

Sold SINGLE. Includes rubber mounting gasket.

Sold SINGLE. Manufactured from 304 stainless steel. See related items for compatible rubber bushings/grommets.

Compatible with Trux exhaust kits. Sold SINGLE.

These 52" center spools will fit on most older Peterbilts. Around 2003, most trucks were changed to have the 55" spool. The best way to check your ...

These 52" center spools will fit on most older Peterbilts. Around 2003, most trucks were changed to have the 55" spool. The best way to check your ...

Compatible with Trux exhaust kits. Sold SINGLE.

Sold SINGLE.

Compatible with Trux exhaust kits. Sold SINGLE.

Compatible with Trux exhaust kits. Sold SINGLE.

Use this top stack with a 52" center spool (shown as a related item) for an overall length of 108".