TiALSport QR-Series 50mm Recirculating Blow-Off Valve (29mm Discharge) - Universal Forced Induction
The TiALSport QR-Series Recirculating Blow-Off Valve with a 29mm discharge is engineered for MAF-based and closed-loop intake systems that require controlled, efficient boost recirculation. Built on the proven Q-Series platform, this valve routes excess pressure back into the intake tract to maintain smooth drivability, accurate air metering, and consistent performance under boost.
Precision CNC-machined from aluminum alloy, the QR-Series features a large 50.5mm valve paired with a V-band mounting system that bolts directly to standard TiAL flanges without welding. High-temperature internal components, a reinforced silicone diaphragm, and a secure O-ring valve seal ensure reliable operation in high-boost environments. Capable of supporting up to 900 horsepower, the QR-Series 29mm BOV is ideal for high-performance turbocharged and supercharged applications requiring compact recirculation plumbing.
Features
- Recirculating blow-off valve with 29mm discharge for compact intake routing
- Designed for MAF-equipped and closed-loop forced induction systems
- Large 50mm (50.5mm) valve for efficient boost control
- Supports up to 900 horsepower with a single valve
- CNC-machined aluminum body and internal components for strength and precision
- V-band mounting clamp with stainless steel hardware for a clean, corrosion-free installation
- High-temperature O-ring valve seal prevents sticking and improves reliability
- Hard-anodized valve stem and guide for enhanced wear resistance
- Banjo-style aluminum air fitting with oversized 10mm hose barb for quick actuator response
- High-temp silicone reinforced diaphragm for long service life
- Includes weld-on mounting flange for 2.5-inch piping
- Available anodized finishes: Silver, Red, Blue, Purple, and Black
Fitment
- Universal turbocharged applications
- Universal supercharged applications (Paxton, Vortech, and similar systems)
- Vehicles requiring recirculated blow-off valve operation
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