This CNC machined flange allows all of the Turbonetics Raptor blow off valve to bolt right on to all 93-95 Mazda RX-7's. Tricked out 2 piece designed has a 1" inlet to provide a perfect fit and Leak-Free seal. Made of billet aluminum. Slips into place using the stock hose & clamp. Lightweight & allows EZ replacement of the stock BOV.