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eliminating any issues with the silicone boot
Fit for specific cab and box configurations (EC-QC/SB-LB-Dually
(Behind ALT)
7L Ford Powerstroke
✔ Increased Horsepower – Improved exhaust flow lets your Duramax breathe better and run stronger
GDP 3.5" Max Intake Manifold (2007.5-2018 Cummins 6.7L) GDP403UP eliminating any issues with theTake your Cummins 6. 7L to the next level with the GDP 3. 5" Max Intake Manifold, designed for those who demand maximum airflow and performance. Engineered to improve throttle response and enhance overall efficiency, this manifold is built for the hard working truck that doesn't back down from a challenge. Crafted from premium stainless steel, this intake manifold is not just about durabilityit's about delivering results. The larger 3. 5" diameter