Enhance your 1998.5-2002 24V Cummins diesel engine's performance with on-the-fly adjustments. Fine-tune fueling, accelerator pedal response, and timing for significant power gains.
Comp 2.0 by Holley Performance Products





10+ similar apps compared and reviewed
Whether you want more options like GACRacing or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.





Enhance your 1998.5-2002 24V Cummins diesel engine's performance with on-the-fly adjustments. Fine-tune fueling, accelerator pedal response, and timing for significant power gains.










Enhance your vehicle's performance and fuel efficiency with smartphone control. Select from multiple driving modes to optimize power or economy. Lifetime updates ensure you always have the latest features.




This app enhances vehicle responsiveness by eliminating accelerator pedal delays. It offers multiple driving modes with adjustable sensitivity levels to customize your driving experience. Installation is simple and plug-and-play, requiring no wiring modifications.


This app allows drivers to manage accelerator tuning and engine power modules simultaneously. Customize your driving experience with various modes for performance, efficiency, or security.




Customize your LSV driving experience with three distinct modes: ECO for efficiency, Normal for balanced use, and Sport for maximum acceleration. Easily switch between modes on-the-go via an intuitive smartphone interface. Regular updates ensure you have the latest LSV driving technology.




Enhance your late-model gas truck's performance with this app, offering improved drivability, mileage, and power. Adjust settings like boost by gear and enjoy safety features for peace of mind.