I don't believe there is a "jake brake" for a 7.3 cause a jake brake works by oil pressure holding open your exhaust valves, but you can make an exhaust brake with your stock turbo by wiring a switch into the ebpv sensor wire (found on the driverside of the turbo pedestal) I'm not sure how to do it cause I just took my ebpv out but it is possible and I have heard it works really well.