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The Wehrli WCFab 3.5" passenger-side intercooler pipe replaces the factory two-piece plastic with a single 14-gauge aluminum 3.5" pipe for 2017–2019 L5P 6.6L Duramax Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks. It uses a CNC-machined flange with double O-rings and an upgraded silicone boot to resist higher boost pressures and eliminate boost leaks. Includes a threaded bung for the OEM intake temperature sensor, stainless T-bolt clamps, new O-ring seals and a durable powder-coat finish. Installs on stock trucks with no tuning or modifications required.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gun Metal
