PDI Big Boss Stage 3 Performance Kit for Cummins X15 and ISX

Regular price


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Kit Includes: 

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

Available for: 2010 - 2022 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 Stage 3 Performance Kit combines the popular Big Boss tuner with the Big Boss Compound Turbo Kit to deliver the best pulling power while keeping exhaust temperatures as low as possible. This kit also includes our high performing intake and exhaust manifolds to ensure the engine can not only take in the most fresh air but also get rid of exhaust as efficiently as possible. Save now by ordering in a single kit instead of individually!