Pay in 4 interest-free payments of $243.75 Learn more
Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
ECM tuning is available for CAT
338" and "
With its innovative design
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
PDI Big Boss Cummins ISX15 | X15 Exhaust Manifold CAT ECM tuning is available forAvailable 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
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