Turbosmart Turbocharger Blow Off Valve (Blow Off Valve Supersonic Mazda/Subaru -Black)

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. Easy to Install and Setup, Turbosmart Supersonic BOV. Preferred venting solution for serious street tuners and racers. Big flow and even bigger sound.