PDI Big Boss Stage 2 Performance Kit for Cummins X15 and ISX

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  • Regular price $6,700.00

Kit Includes : 

Big Boss Performance Tuner with Mount
Big Boss Performance Intake Manifold
Big Boss Ceramic Coated Exhaust Manifold
Exhaust Manifold Install Kit
Stainless Spacer and Bolt Kit


Available for: Cummins ISX15 & X15 Engines

PDI Big Boss Performance Packages are put together with performance, efficiency, and savings in mind. The Stage 2 Performance Kit combines the popular Big Boss tuner with both our high performing intake and manifolds deliver the best mileage and pulling power while balancing air flow to and from the engine. As direct replacement products they are simple to install and utilize all factory hardware. Save now by ordering in a single kit instead of individually!