Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit - Bengal GreyThe only High Flow 3" Complete Y Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo and aftermarket drop in IHI style chargers! Replace the restrictive OEM Y bridge and cold side intercooler pipe with this high flow 3" kit to increase throttle response and turbo spool up by creating a full 3" intake tract from the intercooler outlet to the engine. Eliminates the angled OEM intercooler boots that are prone for failure.