PDI Big Boss Stage 1 Performance Kit for Cummins X15 and ISX X15 combined with a redesign of

combined with a redesign of the mounting surfaces

Back imprint: #COVERYOURNUTS

you’ll keep the temperatures down and decrease the strain placed on the engine as you see more horsepower and fuel efficiency

Aluminum Mini Kit Includes:

Backlit Air Cleaner Light Bars allow you to retain a clean and smooth look during the day as well as the cool look of lights at night

PDI Big Boss Stage 1 Performance Kit for Cummins X15 and ISX X15 combined with a redesign ofKit Includes: Big Boss Performance Tuner with Mount Big Boss Performance Intake Manifold Available for: 2010 2021 Cummins ISX15 & X15 Engines Warranty: 1 Year Unlimited Mile Warranty PDI Big Boss Performance Packages are put together with performance, efficiency, and savings in mind. The Big Boss tuner combined with our high performing intake manifold delivers power while balancing intake air to the engine. As direct replacement products they are