On3 Performance Turbocharger 77mm Compressor Wheel T4 Flange

The On3 Performance GT45 turbocharger is designed for increased engine efficiency and power output. It features a T4 flanged exhaust housing, a 77mm compressor wheel, and a 3.5" V-band outlet. This turbo has demonstrated effectiveness in compound twin-turbo diesel setups, and has also found application in the V8 gas market, offering good spool characteristics despite its size. The manufacturer states it is capable of supporting 700+ rear-wheel horsepower. For diesel applications, compounded use with a stock charger has reportedly achieved 830 horsepower and 1520 ft-lbs of torque on a Cummins engine.