15-1700 for the sizes that fit on the focus.
not bad when it makes building a manifold and charge pipe cheaper along with getting rid of the need to buy a wg and bov separate. i usually dont like iwg's but these are redesigned to flow like an external gate and are set up to flow 40% of the total flow of the turbo it self. im very interested in these and hope i can get my hands on one soon. also being a borg warner it has a very high pressure ratio so it can reliably exceed 35psi with out over heating the air
Turbo Turtle Garage
Zetec and Duratec Turbo kits, engine building