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Wehrli's 3 in. high‑flow upper crossover intercooler pipe for 2011–2016 LML Duramax boosts sizing over the OEM part to reduce restriction and improve turbo spool and throttle response while removing the resonator for a more aggressive sound. It connects to the factory throttle valve and grid heater, fits stock trucks without additional modifications, installs with basic hand tools, and is finished in custom powder coat colors.
Wehrli 2011-2016 LML Duramax Passenger Side Upper Crossover Intercooler Pipe Kit Bronze Chrome
