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offering an extra layer of protection against the rigorous demands of higher horsepower applications
it's recommended to use a new spacer plate during any engine overhaul or whenever the cylinder head is removed
which can keep your operating temps closer to the thermostat temperature
With its innovative design
PDI Big Boss Cummins ISX15 | X15 Exhaust Manifold CAT offering an extra layer ofAvailable 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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