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Cummins ISX15 X15 Big Boss Stage 1 Performance Kit By PDI
*This product is NOT legal in California. Raney's is not responsible for legal ramifications.
Put together with performance, efficiency, and savings in mind, the PDI Big Boss tuner with a high performing intake manifold delivers power while balancing intake air to the engine. These direct replacement products are simple to install and use all factory hardware.
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1 Year Unlimited Mile Warranty