7.8L Duramax LG4 - 2003-2007 & Isuzu LF8 6HK1 - 2007-2009 #51078

This performance module enhances fuel economy and power output for certain Duramax 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 diesel engines and powertrains without modifying settings.