Project Sidewinder | Banks Power: The high-performance turbo-diesel exhaust manifold by Banks Power boosts the turbocharged power and performance of the Cummins turbo-diesel.

A high-performance exhaust manifold is essential to efficiently handling the increased exhaust flow from the modified Cummins cylinder head. The custom Big Hoss stainless steel exhaust manifold improves the turbo diesel performance. On a turbo diesel, the exhaust manifold must deliver maximum flow and heat to the turbine section of the turbocharger.

The high-flow exhaust manifold, which looks like something off the space shuttle, was fabricated by Glenn Lirhus.

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.