Fits 2018+ Kia Stinger GT. This Turbo XS Type XS Hybrid Blow Off Valve kit is specifically engineered to replace the factory bypass valves on the Kia Stinger platform. While factory plastic valves utilize thin diaphragms prone to failure under increased boost pressures, the Turbo XS hybrid design provides a robust upgrade capable of maintaining performance and reliability in high-output applications.

This valve features a dual-path design that vents partially to the atmosphere for a distinct blow-off sound while recirculating the remaining air into the intake tract. This hybrid configuration ensures the vehicle's closed-loop engine management system remains within factory parameters for smooth drivability and idle stability while providing a faster response time during shifts.

• Replaces restrictive factory OE bypass valves
• Hybrid design: 50/50 atmosphere venting and recirculation
• High-boost compatible to prevent diaphragm failure
• Precision machined for fast response and durability
• Direct fitment for the Kia Stinger GT twin-turbo system

Includes:

• 2x Turbo XS Hybrid Blow Off Valves
• 8x M6x16mm Mounting Bolts
• 1x Vacuum T-Fitting
• 1x Vacuum Hose

Fits 2017-2020 Honda Civic Si (1.5L).

The Turbo XS Hybrid Blow Off Valve is a direct bolt-on replacement for the factory bypass valve, engineered to handle the increased boost pressures and temperatures of the Honda 1.5L turbo engine. This valve utilizes a massive 44mm piston and high-grade Viton O-rings to ensure a leak-free seal and reliable operation under extreme air charge pressures.

Proudly made in the USA, this hybrid valve is designed with a specific slot and vent-to-atmosphere port shape to deliver a crisp atmospheric sound between shifts while maintaining the performance benefits of a recirculating system. The precision-machined body is finished in a vibrant red anodizing, providing a durable and high-contrast look in your Civic Si engine bay.

• Direct replacement for the factory bypass valve
• Large 44mm piston for maximum flow capacity
• Viton O-rings withstand high air charge temperatures
• Hybrid design provides atmospheric sound with recirculating stability
• Precision-machined and anodized red for durability
• Made in the USA

Fits 2017-2020 Honda Civic Si (1.5L).

The Turbo XS Hybrid Blow Off Valve is a direct bolt-on replacement for the factory plastic bypass valve, engineered to handle the increased air charge pressures and high outlet temperatures of modern turbocharging. This gray-finished valve features a hybrid design that provides the necessary recirculation for the engine management system while venting a portion of the boost to the atmosphere for a distinct acoustic signature between shifts.

• Large 44mm piston design for superior flow and response
• Viton O-rings provide maximum resistance to high heat and boost pressures
• Precision-machined Hybrid Slot and atmospheric port for consistent performance
• Direct bolt-on fitment using factory mounting points
• Proudly made in the USA

Fits 2017-2020 Honda Civic Si (1.5L).

The Turbo XS Hybrid Blow Off Valve is a precision-engineered, direct bolt-on replacement for the factory bypass valve. Designed to resolve the leak issues common with plastic OE valves under increased load, this unit utilizes a large 44mm piston and high-grade Viton O-rings to withstand extreme air charge pressures and elevated outlet temperatures from your turbocharger.

The hybrid configuration features a specifically positioned slot and vent-to-atmosphere port, delivering the signature blow-off sound between shifts without sacrificing the performance of a recirculating system. Every valve is manufactured in the USA with tight tolerances to ensure rapid response and a reliable seal for high-boost applications.

• Direct bolt-on replacement for the factory bypass valve
• Large 44mm piston for maximum flow capacity
• High-temperature Viton O-rings ensure a leak-free seal
• Hybrid design for atmospheric sound and recirculating performance
• Anodized blue finish for corrosion resistance and engine bay aesthetics
• Made in the USA

Fits Honda Civic Type R (FL5).

The HKS Super SQV4 (Sequential Quick Valve) utilizes a unique sequential valve structure and a differential pressure control system to provide a broad operating range, from low boost to high boost. Unlike traditional push-type blow-off valves, the SQV4 features a pull-type relief design that ensures stable operation and prevents valve leakage regardless of the amount of boost pressure applied. This Black Edition features a high-performance matte black body finish and a silver-coated secondary valve for a refined, stealthy look under the hood.

• Sequential valve design enables rapid response at low boost and high flow capacity at high boost
• Pull-type valve mechanism prevents pressure leakage during high-load conditions
• Includes the signature HKS triple-fin design for the iconic atmospheric discharge sound
• Black Edition finish with black-painted body and silver-coated accents
• Designed specifically for the FL5 chassis intake system architecture

Fits 2023-2024 Honda Civic Type R (FL5).

The HKS Super SQV4 (Sequential Quick Valve) utilizes a unique pull-type sequential valve structure and a differential pressure control system, which allows for a broad operating range from low boost to high boost. Unlike typical push-type blow off valves, the pull-type design ensures the valve remains closed under boost, preventing leaks and ensuring consistent performance regardless of pressure levels.

This vehicle-specific kit for the FL5 Civic Type R includes the necessary piping and hardware to replace the factory bypass valve. The SQV4 features a high-quality aluminum die-cast body with a silver coating, providing both durability and a professional finish in the engine bay. The dual-stage valve system reacts quickly to throttle lift-off, protecting your turbocharger from compressor surge while delivering the signature HKS sequential sound.

• Pull-type sequential valve prevents boost leaks
• Dual-stage relief for optimal response across the RPM range
• High-rigidity aluminum die-cast body with silver finish
• Vehicle-specific mounting flange and piping for FL5 fitment
• Genuine HKS part number: 71008-AH012

Fits 2010 Hyundai Genesis Coupe (2.0T).

The HKS Super SQV4 (Super Sequential Blow Off Valve) utilizes a unique sequential valve structure and a differential pressure relief system, allowing for a broad range of operating boost levels. Unlike standard push-type blow off valves, the SSQV4 pull-type design ensures the valve remains closed under boost and only opens when throttle is lifted, effectively preventing compressor surge and protecting your turbocharger's internals.

• Pull-type relief valve design ensures stable operation regardless of boost pressure
• Primary and secondary valve system provides quick response and high flow capacity
• High-quality silver-coated aluminum die-cast body for long-term durability
• Vehicle-specific kit designed for direct integration with the 2.0T engine
• Includes signature triple-fin design for the iconic HKS discharge sound

Fits Toyota GR Supra (DB42/DB02) models equipped with the HKS Racing Suction (R/S) intake system.

The HKS Super Sequential Blow Off Valve (SSQV) IV utilizes a unique sequential valve structure and a differential pressure control system, which allows for a broad operating range from low boost to high boost. Unlike typical push-type relief valves, the SSQV IV features a pull-type design that ensures the valve remains closed under pressure, preventing boost leaks and ensuring consistent performance during spirited driving.

This comprehensive kit includes the SSQV IV unit along with the dedicated Return Kit. By recirculating the discharged air back into the intake stream, this setup maintains proper mass airflow sensor readings, preventing the stalling or rich-running conditions that can occur with atmospheric venting on the GR Supra's EFI system.

• Pull-Type Sequential Valve: Ensures the valve stays shut under boost and reacts quickly to pressure changes.
• Return Kit Included: Specifically designed to route air back into the HKS Racing Suction intake for factory-smooth drivability.
• Premium Construction: Features a high-quality aluminum die-cast body with a silver-coated finish for durability and heat resistance.
• Iconic Sound: Employs the HKS triple-fin design to produce the signature sequential discharge tone.
• Compatibility: Engineered specifically for use with the HKS Racing Suction intake on the B58-powered Supra (DB42/DB02).

Fits 2020+ Toyota GR Supra (DB42/DB02) models equipped with the B58 engine.

The HKS Super Sequential Blow-Off Valve (SSQV) IV utilizes a unique pull-type relief structure and a differential pressure control system to ensure consistent operation without leaking under high boost. Unlike typical push-type valves that can be forced open by pressure, the SSQV IV design ensures the valve stays shut during heavy load, only opening to vent pressure and prevent compressor surge when the throttle is closed. This protects the turbocharger and maintains throttle response during aggressive driving.

• Dual-stage pull-type valve prevents leakage and ensures quick response across the RPM range
• High-quality die-cast aluminum body with a silver-coated finish for durability and heat resistance
• Signature triple-fin design creates the iconic HKS high-frequency discharge sound
• Vehicle-specific kit includes a custom mounting pipe for a direct-fit installation into the B58 engine bay
• Complete package with vacuum hoses, T-fittings, and all necessary mounting hardware

Fits 2020+ Toyota GR Yaris (GXPA16).

The HKS Super SQV 4 Return Kit Plus provides a specialized solution for drivers who want the performance and distinctive sound of a Super Sequential Blow Off Valve while maintaining factory-style driveability. This kit is engineered to recirculate discharged air back into the intake suction pipe, preventing the rich-running conditions and stalling that can occur on MAF-equipped vehicles when venting to the atmosphere.

• Complete "Plus" kit includes the HKS Super SQV 4 valve and all necessary recirculation hardware.
• Engineered specifically for the GXPA16 chassis for a precise, bolt-on fitment.
• Maintains smooth idle and stable air-fuel ratios during gear shifts by keeping metered air within the system.
• Utilizes HKS's signature sequential valve structure and triple-fin design for rapid relief and durability under high boost.
• Includes high-quality hoses, clamps, and vehicle-specific brackets for a secure installation.

Fits 1996-2007 Toyota Chaser, Mark II, Cresta (JZX100), Mark II/Verossa (JZX110), and Crown Estate (JZS171W) equipped with the 1JZ-GTE engine.

The HKS Super SQV4 (Sequential Blow Off Valve) utilizes a unique sequential valve structure and a differential pressure relief system to maintain stable operation across a broad range of boost levels. Unlike traditional push-type blow-off valves that can leak under high boost, the HKS pull-type design remains closed during boost and only opens upon throttle lift-off, protecting your turbocharger from compressor surge and ensuring crisp throttle response.

This vehicle-specific kit is designed for a clean installation, replacing the factory bypass valve with the high-frequency, triple-fin sound that HKS is known for. The die-cast aluminum body with a silver-coated finish provides excellent heat dissipation and a premium look in the engine bay.

• Pull-type sequential valve design prevents leaking under high boost
• Dual-stage valve operation handles both low and high vacuum/pressure scenarios
• Triple-fin design produces the signature HKS blow-off sound
• Includes vehicle-specific mounting pipe, hoses, and hardware for a direct fit
• Durable die-cast aluminum body with chrome-plated primary valve

Fits Honda Civic Type R (FL5).

The HKS Super SQV4 Return Kit Plus provides a complete blow-off valve solution for the FL5 chassis, combining the legendary Super SQV4 sequential valve with the specific hardware needed for proper air recirculation. Unlike standard atmospheric valves, this "Plus" kit includes the necessary suction return components to route discharged air back into the intake system. This is critical for maintaining stable engine management and preventing rich-running conditions or stalling on vehicles equipped with sensitive Mass Air Flow (MAF) sensors.

The Super SQV4 utilizes a unique sequential valve structure and a differential pressure control system, allowing for a broad operating range. The pull-type relief design ensures the valve remains closed under boost and reacts instantly to pressure differentials, regardless of the boost pressure being used.

• Sequential Valve Design: Dual-stage relief ensures consistent performance and rapid response from low to high boost.
• Recirculation Hardware: Includes the return piping and fittings required to recirculate air back into the intake stream.
• Pull-Type Relief Valve: Features a nickel-plated, die-cast aluminum secondary valve for long-term durability and reliable sealing.
• Vehicle Specific Fitment: Engineered for the FL5 Honda Civic Type R with all necessary brackets and vacuum lines included.

Fits 2023-2024 Honda Civic Type R (FL5) models.

The HKS Super SQV4 Suction Return Kit allows you to convert your Super SQV4 blow-off valve from a vent-to-atmosphere setup to a recirculating configuration. By rerouting the discharged air back into the intake stream before the turbocharger, this kit prevents the rich air-fuel spikes and potential stalling often associated with MAF-equipped vehicles when shifting.

Engineered specifically for the FL5 chassis, this kit ensures the engine management system accurately accounts for all metered air, maintaining smooth drivability and idle stability. This is an essential upgrade for owners who want the performance and boost relief of the Super SQV4 valve without the atmospheric discharge noise or tuning complications.

• Specifically designed for the HKS Super SQV4 Sequential Blow-Off Valve
• Recirculates air back into the suction pipe to maintain proper air-fuel ratios
• Prevents engine stalling and hesitation between shifts
• Includes application-specific molded return hose, clamps, and necessary hardware
• Direct fitment for the 2023+ Honda Civic Type R (FL5)

Fits 1989-2005 Nissan Skyline models (including HCR32).

The GReddy FV2 (Floating Valve 2) Blow Off Valve is engineered to eliminate compressor surge and improve turbocharger response without the risk of engine stalling. This kit (BFV2-209) features GReddy's signature floating valve design, which utilizes a unique dual-spring system that maintains a tight seal under high boost while reacting instantly to vacuum. This ensures that the valve only opens when required, preventing the common idling issues found in lesser atmospheric valves.

Construction includes a durable cast aluminum body with a CNC-machined adapter plate designed specifically for the Skyline's factory mounting location. The adjustable top hat allows for precise spring preload tuning, making it suitable for a wide range of boost levels from stock to highly modified builds.

• Manufacturer Part Number: BFV2-209
• Series: FV2 (Floating Valve 2)
• Design: Dual-spring floating valve for improved sealing and response
• Construction: High-quality cast aluminum body with anodized internals
• Compatibility: Specific to 1989-2005 Nissan Skyline flange patterns
• Included: FV2 Blow Off Valve, vehicle-specific adapter, and necessary hardware

Fits select 1976-2025 Audi, Porsche, and Volkswagen models including A4, 911, and Golf (1.8T).

The APR R1 Diverter Valve is a critical performance upgrade designed to replace failure-prone factory units. Built to withstand extreme boost pressures at the highest performance levels, the R1 features a friction-free diaphragm-based design that ensures lightning-fast response times. Unlike piston-based valves that can stick or bind during cold weather operation, the R1 is virtually maintenance-free and requires no internal greasing or O-ring service.

Each unit is CNC-machined from billet aluminum and equipped with a high-temperature Nomex-reinforced diaphragm for long-term durability. This direct-replacement valve is engineered to be the final diverter valve upgrade your engine will ever need.

• Direct replacement for 1-inch (1") inlet and outlet hose configurations
• Premium friction-free diaphragm design eliminates sticking and binding
• CNC-machined billet aluminum housing for maximum strength
• High-temperature Nomex-reinforced diaphragm for reliable boost control
• Maintenance-free operation with no greasing required
• Manufacturer Part Number: DV100001

Fits select 1984-1996 Mitsubishi Cordia Turbo, Nissan 300ZX Turbo, and Toyota Celica All Trac.

The GFB HYBRID TMS Dual Port valve (T9235) utilizes Go Fast Bits' pioneered dual-port technology to balance daily driveability with atmospheric sound. By employing a staged venting design, the valve recirculates air at low valve lifts to maintain stable engine operation and prevent stalling or backfiring in MAF-equipped vehicles. Under harder driving conditions and higher boost levels, the valve opens further to expose the atmospheric port, delivering the signature blow-off sound.

As part of the Turbo Management System (TMS) range, this valve is engineered to help the turbocharger return to peak boost faster during gear shifts. The system is fully configurable to meet your specific setup, allowing for 100% recirculation, a 50/50 split, or 100% atmospheric operation using the included port plugs.

• Dual-staged venting outlets for improved low-speed drivability
• Configurable venting bias (Full Recirc, 50/50, or Full Atmosphere)
• 35mm inlet and 30mm outlet diameters
• Includes port plugs for custom configuration
• Manufacturer Part Number: T9235

Fits 1995-1998 Nissan 240SX Base, LE, and SE models.

The GFB TMS Respons Blow Off Valve Kit is designed to solve common drivability issues like stalling and backfiring associated with fixed-ratio atmospheric valves. Featuring patented venting bias adjustment, this valve allows you to fine-tune the ratio of air vented to the atmosphere versus air recirculated back to the intake. This ensures you achieve the desired blow-off sound without compromising the engine management system's air-fuel calculations.

Built with GFB’s Turbo Management System (TMS) Technology, this valve is engineered for rapid boost recovery during gearshifts and significantly improved throttle response. Constructed to exacting tolerances, the Respons valve is capable of withstanding boost pressures in excess of 100 psi, ensuring it outlasts any turbocharger's output.

• Patented venting bias adjustment for custom sound and performance
• TMS Technology for faster boost recovery and better throttle response
• Withstands boost pressures of 100psi+
• CNC machined for precision fit and durability
• Direct bolt-on kit replaces the factory valve

Fits select 2014-2024 Mercedes-Benz models including AMG GT, C300, C63 AMG S, CLA250, CLA35/45 AMG, E250, E300, E63 AMG S, G63 AMG, GLA250, GLC300, GLC43/63 AMG, and S63 AMG (2.0T).

The GFB VTA (Vent to Atmosphere) T9488 combines an aggressive blow-off sound with the technical performance of GFB's DV+ series. Designed to replace the factory-installed electronic diverter valve, this unit solves common issues with boost leakage and solenoid failure. While OE valves often use plastic components and weak springs, the VTA utilizes a precision-machined billet housing and a high-performance brass piston to ensure superior boost holding and reliability under pressure.

Installation is a direct bolt-on process thanks to the integrated low-profile solenoid, which is specifically engineered to fit within the tight packaging of modern Mercedes engine bays. By retaining the factory ECU control but upgrading the mechanical internals, the T9488 delivers sharper throttle response and faster boost recovery without triggering fault codes.

• Delivers aggressive atmosphere venting sound during gear shifts and deceleration
• Utilizes GFB DV+ technology for improved boost holding and throttle response
• Precision-machined brass piston provides a reliable seal even at high boost levels
• Compact, low-profile solenoid design ensures a seamless, direct-fit installation
• Direct replacement for plastic OE diverter valves
• Manufacturer Part Number: T9488
• Australian-made and backed by a lifetime warranty

The Granatelli Viper Series 50mm Ultra High Flow Blow Off Valve is engineered for high-performance turbocharged and supercharged applications where rapid pressure relief is critical. By venting excess boost pressure during throttle lift-off or gear changes, this 50mm valve prevents damaging compressor surge and ensures your forced induction system remains responsive.

• High-Volume Flow: Features a 50mm bore designed to handle massive airflow requirements in high-boost environments.
• Performance Protection: Effectively manages pressure spikes to safeguard turbocharger or supercharger internals.
• Durable Construction: Built to withstand high-heat engine bays while maintaining consistent sealing and actuation.
• Viper Series Precision: Engineered for fast response times and reliable operation under extreme conditions.
• Manufacturer Part Number: 540198

The Granatelli Anaconda Series 64mm Blow Off Valve is engineered for high-performance forced induction applications requiring rapid pressure relief. By venting excess boost pressure during throttle lift-off, this valve prevents compressor surge and protects your turbocharger or supercharger from damaging back-pressure spikes.

• Large 64mm bore size for high-volume airflow and rapid response
• Anaconda series design optimized for durability under high boost pressures
• Helps maintain consistent boost levels and improves off-throttle response
• Precision-engineered internals for reliable sealing and release
• Manufacturer Part Number: 540199

Fits 2014-2018 Subaru Forester (2.0XT) and 2015-2020 Subaru WRX models.

The GFB Deceptor Pro II (T9507) provides the ultimate solution for drivers who want total control over their vehicle's blow-off valve sound without leaving the driver's seat. Featuring a high-torque geared motor, this valve allows you to adjust the venting ratio between full recirculating for silent operation and full atmospheric for that signature turbo sound—all controlled on-the-fly from the cabin.

Engineered with GFB's TMS Advantage, this unit is designed specifically to improve throttle response and reduce turbo lag by ensuring the valve stays shut when it isn't needed. Beyond acoustics, the Deceptor Pro II serves as a critical tuning tool for MAF-sensitive Subaru engines. It allows you to dial in the exact venting ratio required to achieve a blow-off sound without the stalling, stumbling, or backfiring issues often caused by standard atmospheric valves.

• Motorized Adjustment: Remote-controlled venting bias via the included in-cabin controller.
• TMS Advantage: Designed to maintain boost pressure and improve throttle recovery during shifts.
• Variable Sound: Adjust anywhere from 0% to 100% atmospheric venting to suit your environment.
• Direct Fit: Replaces the factory bypass valve with no permanent vehicle modifications required.
• Complete Kit: Includes the Deceptor Pro II valve, wiring loom, and electronic controller.
• Manufacturer Part Number: T9507

Fits the Ford Fiesta ST Mk7.

The Turbosmart Kompact EM Series VR22 Plumb Back (TS-0223-1278) is a world-first, plug-and-play blow-off valve upgrade designed to replace the factory electronic diverter valve. While the OE unit is often prone to leaking or failure under increased boost, the VR22 is engineered from billet aluminum to provide rapid response and complete pressure reliability.

This electro-mechanical valve integrates directly with your vehicle's factory electronics, requiring no additional vacuum hoses or boost taps. The Plumb Back configuration ensures quiet operation by recirculating all vented air back into the intake system, maintaining factory-like acoustics with professional-grade performance.

• Direct replacement for the factory electronic diverter valve
• Pressure-stable billet aluminum construction with high-temperature O-rings
• Plug-and-play installation—no modifications required
• Maintains full OEM computer control for rapid valve response
• Plumb Back design for quiet, recirculating operation
• Manufacturer Part Number: TS-0223-1278

The Turbosmart Kompact EM VR18 Plumb Back provides a direct-replacement solution for factory electronic diverter valves. By combining the speed of the original electronic control with the pressure-handling capabilities of a mechanical piston valve, the EM series eliminates boost leaks and prevents the diaphragm failures common in OE plastic valves.

The Plumb Back design is engineered for drivers who prefer a quiet, recirculating operation. It vents 100% of the air back into the intake system, ensuring the ECU maintains accurate airflow readings while improving boost response. This unit features a true plug-and-play installation, connecting directly to the factory wiring harness without the need for additional hoses, brackets, or external solenoids.

• Precision-machined billet aluminum construction
• Proprietary high-temperature solenoid for rapid response
• Plumb Back recirculating design for quiet operation
• Direct bolt-on fitment with VR18 flange
• Leak-free performance under high boost levels
• Manufacturer Part Number: TS-0223-1279

Fits 2022-2024 Subaru WRX models equipped with the FA24F engine.

The Turbosmart Kompact EM Plumb Back Blow Off Valve is a direct-fit, plug-and-play upgrade for the current generation Subaru WRX. Designed to replace the leak-prone factory plastic electronic diverter valve, this unit eliminates boost leaks and prevents diaphragm failure often encountered under increased boost levels. The Plumb Back configuration ensures 100% recirculation of air into the intake, maintaining quiet operation and factory-level driveability without the risk of causing rich conditions or MAF-related issues.

Constructed from CNC-machined billet aluminum, the Kompact EM series features high-temperature solenoids and internal brass pistons for maximum durability. By integrating directly with the factory electronics, the ECU retains full control over the valve's operation, ensuring rapid response times and perfect system synchronization.

• Direct plug-and-play integration with factory OEM wiring
• Billet aluminum construction with high-temperature internal components
• 100% recirculating (Plumb Back) design for quiet performance
• Eliminates boost leaks associated with factory plastic valves
• Integrated pressure control solenoid for precise ECU management
• Manufacturer Part Number: TS-0223-1268

Fits 2024+ Jeep Wrangler JL models equipped with the 2.0T engine.

The Turbosmart Kompact EM Plumb Back VR34 (TS-0223-1240) is a direct-replacement, plug-and-play upgrade for the factory electronic diverter valve. Unlike the original equipment which uses plastic internals and a weak spring that can leak under increased boost, the Kompact EM series features a billet aluminum body and a high-pressure solenoid for superior boost control and reliability. The "Plumb Back" design recirculates air back into the intake system, maintaining factory-quiet operation while providing the rapid response needed for modern turbocharged engines.

• Billet aluminum construction with high-temperature O-rings
• Plug-and-play integration with factory electronics—no CEL or additional wiring required
• Plumb Back recirculating design for quiet, efficient operation
• Prevents boost leaks common in high-mileage or tuned OE valves
• Manufacturer Part Number: TS-0223-1240

Fits 2024+ Jeep Wrangler JL (2.0T).

The Turbosmart Kompact EM Dual Port VR34 is a plug-and-play upgrade designed to replace the weak factory electronic plastic diverter valve. By combining the speed of the factory electronics with the reliability of a billet mechanical valve, the Kompact EM series eliminates boost leaks and provides faster response times. The Dual Port design allows for a crisp atmospheric blow-off sound while maintaining recirculation for optimal engine management compatibility.

• Billet aluminum construction with high-temperature o-rings
• Integrated high-speed solenoid for instantaneous response
• Dual-port design for a mix of atmosphere venting and recirculation
• Direct bolt-on replacement for the factory valve
• No additional wiring or vacuum hoses required for installation
• Manufacturer Part Number: TS-0223-1040

Fine-tune your TiAL QRJ recirculating blow-off valve with this authentic TiAL Sport 3 PSI replacement spring. This spring is designed specifically for the QRJ series, allowing you to match the valve's opening pressure to your engine's specific vacuum profile for optimal response.

Identified by its red color-coding, this spring is manufactured to exacting tolerances to ensure consistent performance and prevent boost leaks or premature venting. This component replaces a worn spring or allows for recalibration when changing camshafts or intake configurations.

• Spring Rate: 3 PSI
• Color Code: Red
• Application: TiAL Sport QRJ Series Blow Off Valves
• Manufacturer Part Number: 004729
• Note: This listing is for the internal spring only; flanges and BOV assembly are not included.

Fits select 1983-1998 Chrysler, Mazda, Mitsubishi, Nissan, Subaru, and Toyota models (Turbo). See compatibility table for full model list.

The GFB Mach 2 TMS Recirculating Diverter Valve (MPN T9135) is a precision-engineered performance upgrade designed to replace factory valves that often leak or fail under high boost. Utilizing GFB's proprietary Turbo Management System (TMS) technology, this valve is designed to improve boost recovery on gearshifts and sharpen throttle response by maintaining higher boost pressure in the system.

Built to handle extreme performance, the Mach 2 is rated to withstand boost pressures in excess of 100 psi, ensuring it will never be the weak link in your forced induction system. Its recirculating operation directs air back into the intake tract, maintaining factory-smooth drivability and correct air-fuel ratios on MAF-equipped vehicles without the loud vent-to-atmosphere noise.

• TMS Technology for rapid boost recovery and improved throttle response
• Proven performance capable of holding 100+ psi boost pressure
• Recirculating design for quiet operation and MAF-sensor compatibility
• Direct replacement for various OE applications
• 35mm inlet and 30mm outlet configuration
• Manufacturer Part Number: T9135

Fits 2011-2017 Nissan Juke S, SL, SV, Nismo, and Nismo RS models.

The GFB Mach 2 TMS Recirculating Diverter Valve (MPN T9106) is a high-performance replacement for the factory unit, engineered specifically for the Nissan Juke's 1.6 DIG-T engine. Utilizing GFB’s proprietary Turbo Management System (TMS) technology, this valve is designed to deliver rapid boost recovery during gearshifts and sharper throttle response by minimizing turbo lag. Unlike the plastic factory valves that can leak or deteriorate, the Mach 2 is built to endure, capable of holding boost pressures in excess of 100 psi.

• Manufacturer Part Number: T9106
• TMS Technology: Optimized for faster boost recovery on gearshift
• High-Pressure Reliability: Tested to withstand 100psi+ without leaking
• Recirculating Design: Directs air back into the intake for factory-quiet operation and MAF-safe performance
• Direct Bolt-on: Replaces the OEM diverter valve with no additional modifications required

Fits 2018-2020 Hyundai Veloster N and Kia Stinger (2.0T).

The GFB Respons TMS Blow Off Valve Kit (T9010) is engineered to provide the signature blow-off sound without the common drivability issues like stalling or backfiring found in fixed-ratio atmospheric valves. Featuring a patented venting bias adjustment, this valve allows you to manually control the amount of air recirculated back into the intake versus vented to the atmosphere, ensuring your engine management system stays happy.

Constructed for high-performance applications, this kit utilizes GFB’s Turbo Management System (TMS) technology. This system is designed to provide rapid boost recovery on gearshifts and significantly sharper throttle response. Every Respons valve is tested to withstand boost pressures exceeding 100psi, ensuring it can handle the output of any turbocharger setup.

• Patented adjustable venting bias for customizable sound and recirculation ratio
• TMS Technology for optimized boost recovery and throttle response
• Proven to withstand boost pressures of 100psi+
• Direct fit for 2.0T engines
• Manufacturer Part Number: T9010