Grand Rock – 1994-2002 Peterbilt 379 Retro Fit Duplex Stack Exhaust Kit

Grand Rock – 1994-2002 Peterbilt 379 Retro Fit Duplex Stack Exhaust Kit

The Grand Rock 19942002 Peterbilt 379 Retro Fit Duplex Stack Exhaust Kit is a complete aftermarket exhaust solution engineered to enhance the performance and appearance of older Peterbilt 379 trucks. Designed specifically for 19942002 models, this retrofit kit replaces worn, single-stack, or OEM exhaust systems with a robust duplex configuration. The polished chrome stacks not only give your truck a striking, customized appearance but also deliver long-lasting resistance to corrosion, rust, and the harsh conditions encountered on the road. Whether restoring a classic rig or giving your truck a visual and functional upgrade, this kit offers both reliability and style.

Built with durability and ease of installation in mind, the kit includes all of the essential components needed for a complete exhaust conversion. With picket-style 90 elbows and 52″ spool pipes, the system promotes efficient exhaust flow and balanced performance from both sides of the engine. Also included are lower cab brackets, stack mount brackets, and protective grommets to ensure secure mounting and minimize vibration. Pre-formed WFC-5Ss clamps are supplied as well, providing superior strength and a leak-resistant connection. Ideal for professional installers, fleet maintenance, or experienced DIY truck owners, this retrofit kit delivers dependable functionality and a bold look.

• Designed to retrofit 19942002 Peterbilt 379 models with a duplex stack system

• Polished chrome stacks provide corrosion resistance and enhanced appearance

• Includes picket-style 90 elbows and 52″ spool pipes for balanced exhaust flow

• Comes with lower cab brackets, stack mount brackets, and protective grommets

• Supplied with high-quality pre-formed WFC-5Ss clamps for secure, leak-resistant installation

7PK-9052RF

Still looking for the perfect part? Having trouble finding it?
Call our product experts at603-224-7370and let us lend a hand.