High Flow Bundle Kit Stage 2 for 2007.5-2010 Duramax LMM Bengal Blue

Increases airflow to turbo, improving horsepower, torque, and intake temperatures. Features 14 ga. aluminum construction, 4-inch piping, and a 4.8-inch turbo intake horn (20% air flow improvement over stock). Includes high-quality hardware, silicone boot, seals, and stainless steel t-bolt clamps. Removable air box lid for filter maintenance. Upgrades restricted 2.5-inch driver (hot) side intercooler pipe and plastic/rubber passenger (cold) side pipe to WCFab's heavy-duty 3-inch (hot) and 3.5-inch (cold) diameter 1-piece LMM Intercooler Pipes. The 3.5" Passenger Side pipe improves airflow by 47% and features CNC machined flanges with double o-ring seals and an upgraded silicone hump boot for higher boost pressures. Includes a high-flow 3" Y-Bridge Kit. Made in the USA.