The Industrial Injection 3642406512 PhatShaft 64 is mid-range replacement turbo designed for towing with your 2004.5-2007 Dodge 5.9L Cummins. The benefit of the 14cm exhaust housing is lower Exhaust Gas Temperatures, however, it will be slower to spool in daily driving situations. The original PhatShaft 64 features a 64mm compressor with extended tip technology. The wastegate is set at 45psi. All PhatShaft turbochargers are equipped with dual grooved bearings and an adjustable boost elbow.