We have begun to ship turbo kits with our new high WG flow collectors. We casted these in Michigan with tialsport and it boasts 90% flow over the old fabricated collectors. We did this to help with pump gas performance for those that do not have access to high quality fuels. Questions? #irozmotorsport #xonarotor #tialsport #daza #rs3 #ttrs #fivecylinder #audi #engineering #fabrication