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This bolt on adapter allows you to replace both your flimsy diverter valves with a single Tial flange blow off valve. Benefits include better sound, a unique look under the hood, and the potential to hold more boost between shifts. Includes block off caps for the intake hoses. Reuses factory orings for a leak free factory like installation.
An authentic Tial BOV is included. We suggest using the Tial BLACK (6psi) spring based on our testing. Running a too heavy spring may prevent the BOV from opening properly.