PDI Big Boss Stage 3 Upgrade for Cummins X15 & ISB | 715773 | 2010-2022 Cummins X15 / ISB

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 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. Paired with our Big Boss Dual Oil Cooler, this is by far the best it can get on your X15 or ISX. Save now by ordering in a single kit instead of individually!

Kit Includes:

• Big Boss Performance Tuner with Mount
• Big Boss Performance Intake Manifold
• Big Boss Ceramic Coated Exhaust Manifold
• Big Boss Dual Oil Cooler
• Install Kit for Exhaust Manifold
• Stainless Spacer and Bolt Kit
• 1 Year / Unlimited Mile Warranty