Exhaust Manifold
For high performance, getting the exhaust gases out of an engine is just as important as getting air into it. For our modified Cummins turbo-diesel, that required a custom stainless steel exhaust manifold.
To compliment the increased airflow of the ported cylinder head, the Big Hoss® aluminum intake manifold, and the Holset® HY55 turbocharger, Gale Banks Engineering designed a new high-flow exhaust manifold to channel the exhaust from the cylinder head to the turbine inlet of the turbocharger. This exhaust manifold design includes stainless steel tubing and a 3/4-inch thick steel flange. To allow for the different expansion rates of the flange and the tubing, four stainless steel expansion bellows are welded into the manifold. The turbocharger bolts directly to the exhaust manifold for maximum heat energy transfer to the turbine.
