Cummins ISX Performance Harness
- Fits all Cummins ISX engines with EGR
- Installs in line with your fuel pressure sensor and engine harness
- Horsepower Gains up to 100 HP and 300 Ft Lbs. of Torque
- Fuel Mileage Gains of at least .5 MPG and up to 2 MPG.
- Satisfaction Guaranteed or your money back.