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Wehrli Custom Fabrication high-flow Y-bridge kit for 2011–2016 Chevrolet 6.6L LML Duramax replaces the OEM upper intake manifold with a precision-cast aluminum bridge that flows about 36% more air. The kit includes a larger 3" upper intercooler crossover pipe, billet resonator plate, and connects to factory throttle valve, EGR, and intake heater grid for a bolt-on installation compatible with stock trucks without extra modifications or tuning.
Wehrli 11-16 Chevrolet 6.6L LML Duramax High Flow Y-Bridge Kit - Bronze Chrome
