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Wehrli 3.5" high-flow passenger-side intercooler pipe for 2011–2016 Duramax LML replaces factory plastic with a one-piece 14ga aluminum pipe finished in Brizzle Blue. It uses silicone boots and stainless T-bolt clamps, includes a threaded bung for the OEM intake temperature sensor, and fits stock trucks without extra mods. The design improves airflow and boost reliability while reducing weak factory failure points.
Wehrli 11-16 Duramax LML Passenger Side 3.5 in. Intercooler Pipe - Brizzle Blue
