Chevy and GMC Duramax Diesel Forum banner


  1. Turbo Poll!!

    Turbo's Stock and Aftermarket.
    Ok guys, figured i would start this thread. I know it will help many besides just me. Cheetah 68mm- the new charger is supposed to be NASTY! 71mm turbine, with 4" cnc machined exhaust housing mated with 4" down pipe 4094vvt- i have heard the vanes are hard to tune and can be laggy. But a...