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Wehrli's 3" high-flow passenger-side intercooler pipe for 2004.5–2005 LLY Duramax replaces the factory 2.5" piece with a mandrel-bent 14-gauge aluminum pipe and upgraded silicone boots to withstand higher boost pressures. It improves airflow between turbo and engine, reduces risk of boost leaks, installs with basic hand tools and fits stock trucks without additional modifications or tuning.
Wehrli 2004.5-05 Chevrolet LLY Duramax Passenger Side 3in Intercooler Pipe - Flat Black
