The Industrial Injection Dodge Cummins 6.7L Compound Stock Add-A-Turbo Kit is a great upgrade for someone looking for increased performance and towing power. This kit is designed to be used on a truck with a stock Holset turbo and is then compounded with a BorgWarner S475 turbo to maximize the engines efficiency when larger injectors and or tuning is added. This kit works on all 2007.5-2012 6.7L Dodge Cummins trucks. Whether you are looking to lower EGTs while towing or build the ultimate weekend warrior this is the kit for you!