1997 K2500 extended cab with short box and NV4500, 3.73 gears with 285/75R17 tires, 4" Diamond Eye exhaust no muffler, factory crossover, a Holset H1C with a 60/83 wheel and a 12cm2 exhaust housing gated right now at 15psi, 4911 DB2 "not" at max fuel