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Dual-Sided for Unmatched Comfort
Delivers the performance and reliability you’ve come to expect from PDI
Each PDI product is thoroughly tested to verify conformance to specifications
It's perfect for use between full car washes
PDI Big Boss Stage 3 Performance Kit for Cummins X15 and ISX cummins isx tuner Dual-Sided for Unmatched ComfortKit 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 2021 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.