What Chassis ??? a good boost controller , a good radiator set up is a "Must" with a boosted k .The exhaust set up is your choice and as far as oil return -10 an bung back to the pan obviously. I also return it into the pan from the ASP catch can that is hooked to my valve cover via 2 -10 bungs if you don't have a catch can your gonna need it as these things like to breath .