i am 22 years old and at 21 years i single handedly built my own set of homemade he351/s400 compounds with a 38mm external wastegate. all piping fabrication and welding was done by myself. i also have Arp headstuds, Fass 150 lift pump, homemade ladder bars, arson III cp3 pump, Bosch motorsport R2 Injectors balanced by exergy performance,homemade intake horn with integrated 50psi pop-off valve, 5inch turbo back exhaust, EFI Live programming, and a auto trans with added clutches, billet servos, hts valve body, pdq triple disk convertor, ats 5 quart add pan, gm conversion transducer solenoid, alto red clutches, billet input and output, runs a high 12 1/4 mile, sled pulls a couple times a year, and is used as a daily driver and work truck for hauling gravel and transporting my 2000 dodge cummins crawler