Turbosmart's Blow Off Valve Flange Adapter Kit - Subaru is designed to be a quick and easy fitment for Turbosmart Universal Plumback, Dual Port, and Supersonic BOVs. This kit comes with an adaptor that allows it to be fitted via a V-Band connection and a gasket. It is specifically designed for use on Subarus WRX MY01-07 and STI MY01-13 models, making it an ideal choice for those looking for a durable solution for their Subaru engines. Turbosmart's advanced engineering ensures that the product provides superior performance. With this kit, you'll be able to improve your vehicle's power output and gain improved throttle response with Turbosmart's high-quality Blow Off Valve Flange Adapter. Turbosmart - providing exceptional performance and results. Flange Adaptor suit Subaru (WRX MY01-07, inc. STI MY01-13). Adaptor Allows the fitment of Turbosmart Universal Plumback, Dual Port and Supersonic BOV via quick change V-Band. Supplied with Gasket. Behind every Turbosmart product stands a long and rich racing history. While a majority of Turbosmart products are used on street cars, their design and testing procedure is identical to the high-end purpose-made racing products. Before reaching the consumer, Turbosmart products are subjected to a range of tests performed in the most demanding environment, the race track. WRX 01-07; STi 02-20; FXT 05-07