The Kompact Dual Port Blow-Off Valve kit for the Cadillac ATS-V has been designed to improve turbo response and eliminate compressor surge, enhancing the efficiency and longevity of the ATS-V's turbochargers while providing that high-performance blow-off valve sound that lets everyone know just what hides under the Cadillac's hood.. Dual Port vents both to the atmosphere & back into the air intake. Ports with sequential timing allow quieter operation during normal driving, while getting all the benefits of a vent-to-atmosphere BOV under race conditions.. Turbosmart BOV Kompact Dual Port - 2016 Cadillac ATS-V 3.6L TT. Blow Off Valve Kompact Dual Port kit for Cadillac ATS-V. Blow Off Valve - TS-0203-1008. Turbocharger Blow Off Valve. Blow Off Valve

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