I have a 2005 Dodge Ram 2500 Quad Cab SLT 4x4 w/5.9L Cummins diesel and automatic transmission. I would like to have an aftermarket exhaust brake installed in my truck as I pull a 5th wheel RV in the mountains. Which of the 3 - BD, PacBrake or Banks would you recommend and why. I also believe I will need a torque converter lockup controller. Thanks for your help!