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The Wehrli 3.5" passenger-side cold-side intercooler pipe for 2017–2019 L5P 6.6L Duramax replaces the factory plastic two-piece pipe with a one-piece 14‑ga aluminum high-flow unit. It uses a CNC-machined flange with double o-rings, upgraded silicone boots and T-bolt clamps, includes provisions for the OEM intake temperature sensor, and installs on stock trucks without additional tuning or modifications.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Bronze Chrome
