8.3L - 8.9L Cummins Tier IV (2007-2009) #52500

This performance module enhances fuel efficiency and power output for certain Cummins diesel engines, improving throttle response and reducing turbo-lag.

• The description claims up to 20% improved fuel economy.
• The description claims up to 25% more functional horsepower and torque.
• The description claims significantly improved throttle response and reduced turbo-lag.
• The description claims the module works with stock settings without modifications.