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the Performance Oil Cooler is built to withstand the toughest conditions and keep your engine running cool
Cummins ISX & X15 Water Pump 5719755
which can keep your operating temps closer to the thermostat temperature
The Stage 1 Performance Kit combines the popular Big Boss tuner with the Big Boss Stage 1 Turbo Kit to deliver the best pulling power while keeping exhaust temperatures as low as possible
Legal for On-Hwy Use in All 50 States
PDI Big Boss Cummins ISX15 | X15 Exhaust Manifold CAT the Performance Oil Cooler isAvailable for: Cummins ISX15 and X15 Engines 2010 2024 Key Benefits Up to 20% increase in airflow over stock 75 100 degree cooler EGTs Made in the USA Warranty: 2 Year Unlimited Mile Warranty PDI Big Boss Exhaust Manifolds are designed to maximize exhaust air flow to reduce turbo lag time and cool exhaust temperatures. In the design of the manifold each port is analyzed and tested to provide a balanced flow to the turbocharger. Big Boss Exhaust
