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Precision Boost Management for Modern Subarus

The GFB TMS Respons Blow Off Valve is the ultimate upgrade for 2008-2014 Subaru WRX and 2005-2009 Legacy GT owners. If you are experiencing issues like stalling or backfiring after installing an aftermarket BOV, the Respons is the solution. It features an adjustable venting bias, allowing you to vent as much or as little air to the atmosphere as you like, ensuring your car's MAF-based ECU stays happy.

Why the Respons BOV Stands Out

• Adjustable Sound & Performance: Easily dial in the venting bias to achieve the perfect sound without sacrificing engine performance.
• Rapid Boost Recovery: GFB’s TMS technology ensures your turbo stays spooled, providing near-instant throttle response between shifts.
• High-Boost Capability: Built to withstand over 100psi of boost, ensuring it will never be the weak link in your setup.
• Precision Engineering: Manufactured to the highest standards for a perfect fit and long-lasting durability in your Subaru engine bay.

Don't settle for a BOV that compromises your engine's health. The Respons BOV provides the perfect balance of performance and sound, making it a must-have for any turbocharged Subaru enthusiast. Whether you are running a stock turbo or a high-horsepower big turbo setup, this valve is designed to handle the pressure. Enhance your driving experience with high-quality components from GGCRACING.