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OEM Cross Reference 10R3323
Big Boss Stage 2 Turbo
Remanufactured blocks often vary in quality due to prior service history
For Use with Big Boss Exhaust Manifold PN 6115
this kit features the highest quality and is the complete solution for longevity and performance
Cummins Non-EGR ISX Exhaust Manifold x15 block OEM Cross Reference 10R3323Available for: 1999 2002 Non Egr ISX Cummins Engines Key Benefits 20% increase in airflow over stock 75 100 degree cooling of EGTs Made in the USA Warranty: 2 Year Unlimited Mile Warranty We have designed our exhaust manifolds to maximize the 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 Manifolds