i have a 2002 dakota 5.9 R/T with a kenne bell wipple charger i went to 40lbs injector and with the K.B they have a place on the intake to install to more injectors so it has 2 62lbs injectors there i run a stock dakota in tank fuel pump but it is set up to run at 12 volts when no boost but when called for it runs on 16volts doesn't up the fuel pressure but it does up the amount of fuel flow im running 9 lbs of boost and have no problems with it at all and i can say it all makes that 5.9 dakots run like hellllllllllllll