The Cummins is one of the most well-known diesels on the market and reliable as hell. Make this an even better engine with a Volant cool air inake. More air means more turbo spool and an increase in horsepower. Plus, this kit is fitted for an accessory scoop. The scoop gives it a ram air effect which is extremely noticeable during highway usage, especially towing. Note: Must remove fog light to get full ram affect. If choose to leave the fog light on you must alter duct to pull air around the light