Cummins ISX15 X15 Big Boss Stage 2 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 Stage 2 Performance Kit combines the Big Boss tuner with high performing intake manifolds to deliver the best mileage and pulling power while balancing air flow to and from the engine. These direct replacement products are simple to install and use all factory hardware.
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1 Year Unlimited Mile Warranty