Rotrex makes a nice simple and efficient design. I'm just curious how much power they will be able to make. Outside of the S2K, there aren't many 4 cylinder applications that have shown huge gains with a rotrex unit. Jackson Racing isn't known for offering a huge bump either but at least it will be good quality with a lot of R&D.
Last edited by swift996; 03-15-2013 at 11:03 PM.
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