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The WCFab 3" high-flow driver-side intercooler pipe for 2017–2019 Duramax L5P 6.6L Chevrolet and GMC 2500/3500 HD trucks replaces the factory two-piece 2.5" hot-side pipe with a one-piece 3" design to improve airflow. It includes upgraded silicone boots and stainless T-bolt clamps, ships with a durable powdercoat finish, fits without other modifications, and replaces OE part number 87839947 for direct installation.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Sparkle Copper
