Mr Peepers Twin Scroll T3

Designing and creating a manifold has always been intriguing. In the initial phase, there is a clean palate – there is an available opportunity to craft the manifold around specific needs and wants. With it comes significant trial and error in figuring out what works and what doesn’t, and creating something that’s both aesthetically appealing and efficient. In the end, if done correctly, you wind up with something that is memorable and a piece of art – whether it is by function or form, but hopefully both.

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Oval Port Flange vs. Transition Flange

Back in 2016, when we decided we were going to create a manifold that fit all of our personal needs for our personal cars, we acquired a variety of flanges and spent a lot of time deciding which would be the most ideal for us. We went into our search knowing that each runner, from the head flange to the turbine inlet, is an extension of the exhaust port and is designed for the smoothest transitions possible in order to shuttle each exhaust pulse with careful violence to the turbine wheel. In making our decision, and helping to solidify our initial thoughts, of which flange we were going to go with, we did some hands-on research. Here’s what we found and why we use the oval port flange here at Morrison Fabrications.

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