PDI Big Boss CAT Exhaust Manifold for 3126 and C7 Engines C15 Acert and long-term durability in EPA13

and long-term durability in EPA13 engines

Available for: Cummins ISX15 | X15 Model Year 2010-2020

sealed housing

OEM Reference Part Number 115-2989

OEM Cross Reference 5693737

PDI Big Boss CAT Exhaust Manifold for 3126 and C7 Engines C15 Acert and long-term durability in EPA13Available for: 1997 2007 Caterpillar 3126 and C7 Acert Engine 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