Blow Off Valves

Managing boost pressure is key to turbo reliability and consistent performance. IAG Performance offers blow off valves and supporting components for Subaru WRX, STI, Forester XT, and Legacy GT applications. Our selection includes blow off valves, adapters, flanges, gaskets, clamps, and other components designed for EJ25, FA20, and FA24 engines. Help prevent compressor surge and maintain smooth boost operation with quality parts from COBB, Go Fast Bits, HKS, TiAL, TurboXS, Turbosmart, Perrin, Subaru, and more.