PDI’s BIG BOSS® Performance Tuner combines Power, Efficiency, and Monitoring capabilities in one easy to use handheld unit! Simply plug it into your diagnostics port and follow step by step instructions.
Tuning has always been the simplest and most efficient way to access the fuel economy and horsepower that you deserve! Because every driver’s situation is different, the Performance Tuner offers a user experience personalized to each driving style, application, and other performance upgrades.
All PDI Big Boss Products are backed with unrivaled quality, customer service, and technical support! Be confident our team will be here to help with your personalized PDI experience at every mile!
Available for most Cummins and Caterpillar Engine Applications