Wehrli 11-16 Duramax LML High Flow Bundle Kit Stage 1 - Bengal Red

Stage 1 upgrade for the 2011-2016 LML Duramax. Improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures. Includes 3″ High Flow Passenger Side Upper Crossover Intercooler Pipe (20% increase over OEM), eliminates resonator. For use with OEM Y-Bridge and connects to the factory throttle valve and grid heater. Features a 3″ High Flow Driver Side Intercooler Pipe (replaces two-piece 2.5″ pipe with one-piece 3″ pipe). Also includes a 3.5″ High Flow Passenger Side Intercooler Pipe (replaces factory plastic two-piece with a 14 ga. aluminum one-piece 3.5″ pipe). Comes with upgraded silicone boots to withstand higher boost pressures. Finished in custom powder colors. Best paired with emissions-compliant tuning and drop-in turbochargers.