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Some a-pillars come to match vehicle interior colors
high-quality bearing for reliable operation
Increased Zinc & Phosphorus: Precisely raises ZDDP levels for improved cam and lifter longevity
Whether you're upgrading for performance
The solid body design maintains straight tracking and drivability
2017-2023 Duramax L5P Dirty 4" CAT & DPF Race Pipe w/ Muffler (DDC-3GM17M) Material:Stainless Steel Some a-pillars come to match2017 2023 Duramax L5P Dirty 4" CAT & DPF Race Pipe w Muffler (DDC 3GM17M) The DDC 3GM17M is a 4" CAT and DPF Race Pipe kit designed for 2017 2023 L5P Duramax 6. 6L trucks. This system replaces restrictive factory components with high flow 4" piping to boost torque, improve fuel efficiency, and unleash a deeper, more aggressive exhaust tone. Built for long term reliability and a precise fit, this kit allows your L5P to breathe properly and perform at