1994-2007 Peterbilt 379 8″ Seamless Stack Kit w 90 Degree Bend w/Flex & Y-Pipe

Grand Rock – 1994-2007 Peterbilt 379 8″ Seamless Stack Kit w 90 Degree Bend w/Flex & Y-Pipe

The Grand Rock 8″ Seamless Stack Kit is engineered specifically for 19942007 (pre-emission) Peterbilt 379 trucks, delivering a precise fit, premium appearance, and reliable exhaust performance. Designed to meet the demands of heavy-duty applications, this kit provides a complete solution for upgrading or replacing your trucks exhaust stack system.

Featuring 8-inch seamless stacks with a 90-degree bend, the kit ensures smooth exhaust flow while maintaining a clean, professional look. The seamless construction enhances durability and helps reduce stress points, making it ideal for long-haul and vocational use. Included flex piping allows for engine movement and vibration absorption, helping extend the life of the exhaust system and related components.

The kit also includes a properly matched Y-pipe to ensure balanced exhaust flow, along with mounting brackets for secure, straightforward installation. All components are engineered to work together for optimal fitment, reducing installation time while delivering long-lasting performance.

Designed for operators who value both function and appearance, the Grand Rock seamless stack kit offers dependable construction, improved exhaust routing, and a polished finish that complements the classic Peterbilt 379 profile.

• Fits 19942007 Peterbilt 379 (pre-emission) models

• 8″ seamless exhaust stacks with 90 bend

• Includes Y-pipe, flex piping, and mounting brackets

• Designed for durability and consistent exhaust performance

• Engineered for precise fit and easier installation

8SSK-90PBC

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