Seller notes

2004.5 - 2010 Caterpillar C15 Acert Engines CAT manifold CARB EO# D773-2Key Benefits20% increase in airflow over stock75-100 degree cooling of EGTsMade in the USA 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 produce, on average, a 20% air flow increase over a stock manifold, coo...

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