BIG BOSS EXHAUST MANIFOLD FOR CUMMINS ISM | M11 Cummins Cylinder Head Available for: 2010-2020 Cummins ISX

Available for: 2010-2020 Cummins ISX and X15 Engines

* 10 Year Limited Warranty

Capable of reducing up to 60% of radiant heat

Available for: Caterpillar 3406E and C15 Engines

Flush mounting provides that clean

BIG BOSS EXHAUST MANIFOLD FOR CUMMINS ISM | M11 Cummins Cylinder Head Available for: 2010-2020 Cummins ISXAvailable for: 1996 2007 Cummins ISM M11 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