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The Wehrli High-Flow Y-Bridge Kit for 2011–2016 6.6L LML Duramax Chevrolet trucks replaces the restrictive OEM upper intake manifold to open up airflow and improve engine efficiency. It increases flow by 36% with a precision CNC-machined cast aluminum bridge and includes a 20% larger 3" fabricated upper intercooler crossover pipe plus a billet resonator plate. Connects to factory throttle valve, grid heater and EGR; bolt-on fit for stock trucks and finished in Illusion Purple powder coat.
Wehrli 11-16 Chevrolet 6.6L LML Duramax High Flow Y-Bridge Kit - Illusion Purple
