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$7,205.00
$6,550.00
PDI Big Boss Stage 2 Performance Kit for 2010-2023 Cummins ISX15 & X15 Engines
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$13,915.00
$12,650.00
PDI Big Boss Stage 3 Performance Kit for 2010-2022 Cummins ISX15 & X15 Engines
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PDI Big Boss Performance Packages are put together with performance, efficiency, and savings in mind. The Stage 1 Performance Kit combines the popular Big Boss Performance Tuner HD with the Big Boss Performance Intake Manifold. This package delivers more power and fuel mileage gains while balancing intake air to the engine. Save by ordering as a single kit instead of individual components!
