Improve turbo response and reduce boost pressure loss on the Cummins intake system! BD's 6.7L Intake Elbow has a 74% larger plenum volume and a 4-inch inlet. Access hole design allows center intake horn bolt to be installed without blocking flow! Kits comes complete with a new 3.5-inch intercooler charge pipe, boots, spring loaded clamps, and flange gasket. Three convenient ports allow connection to gauges, water methanol injection, and optional grid heater.Improve turbo response; Reduces boost pressure drop/loss on the stock intake system; 74% larger plenum; Convenient ports for connecting to gauges, water methanol injection and other injection nozzles; 4-inch inlet with new 3.5-inch intercooler connection pipe; Includes adapting hoses, spring loaded clamps and flange gasket; Reduces EGR carbon deposits that further increase restriction; Access hole for 6th bolt; Increase flow with Intake Open Grid (p/n 1041562); Optional Intake Heater available (p/n 1041563) when installing both Intake Horn and Intake Open Grid; Our goal is to be an innovative company and a world class manufacturer that distributes products Worldwide for North American Diesel vehicles.; Our goal is to be an innovative company and a world class manufacturer that distributes products Worldwide for North American Diesel vehicles.