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S400 Cummins ISX / ISX15 / X15 Complete Turbo Conversion Kit
Choose Options$4,799.00 - $4,999.00 -
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Built for commercial Cummins ISX power and dependability.
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The factory turbo system can become a restriction as load, tuning, or duty cycle increases. Upgrading the turbo system improves boost efficiency, lowers exhaust gas temperatures, and supports sustained power under heavy load. ISX15 and X15 turbo upgrades are commonly chosen for performance builds, heavy towing, high-load vocational trucks, and long-haul applications that demand reliability.
Yes. Properly sized turbo and exhaust upgrades for ISX15 and X15 engines are designed for continuous duty cycles, heavy towing, and high gross weight operation. Improved airflow and reduced drive pressure help the engine run cooler and more efficiently, especially during long pulls, high boost conditions, and extended operating hours.