2003-2007 5.9 Cummins Turbo Kit - Boxer 582003 2007 5. 9 Cummins Turbo Kit Boxer 58 Using a Genuine Borg Warner turbo with our HX40 Downpipe and clamp, this is a direct turbo replacement for your 03 07 Cummins. This will give your daily driving and towing the wake up you are wanting without having to break the bank for a complete turbo set up. Capable of running with stock or mild fuel upgrades, you will notice quicker spool up with lower EGT's, better fuel economy, and will come with