Grand Rock – 2003-Newer Peterbilt 379 8″ Duplex Chrome OE Fit Exhaust Stack Kit

Grand Rock – 2003-Newer Peterbilt 379 8″ Duplex Chrome OE Fit Exhaust Stack Kit

The Grand Rock 2003 & Newer Peterbilt 379 8″ Duplex Chrome OE Fit Exhaust Stack Kit (8PK-5655OE) is designed to deliver a premium factory-style upgrade with bold, head-turning appeal. Specifically engineered for 2003 and newer Peterbilt 379 models, this kit provides an OE-style fit that integrates seamlessly with your trucks existing setup. The 8-inch duplex stacks create a commanding presence while maintaining the clean lines and classic look that the 379 is known for.

Crafted from high-quality materials and finished in a brilliant chrome polish, these exhaust stacks are built for both durability and long-lasting shine. The duplex configuration enhances the trucks symmetry and visual impact while supporting proper exhaust flow. Whether youre replacing worn components or upgrading for a more aggressive stance, this Grand Rock exhaust stack kit offers dependable performance, precise fitment, and show-quality styling.

• Designed for 2003 and newer Peterbilt 379 models

• 8″ duplex (dual) stack configuration

• OE-style fit for seamless installation

• High-polish chrome finish for lasting shine

• Heavy-duty construction for long service life

8PK-5655OE

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