2013 isx

[Lonestar10]

If you can understand a 90s turbo 7.3 diesel with a catalytic converter a Cummins only has like 3 differences the cat is more closely monitored the turbo has a ring that can change it from a big to a small exhaust impellor and the fuel is already at a high psi instead of hydraulicly pressurized other than that it's just got bigger jugs and supporting parts