The Turbosmart Kompact Plumb Back 20mm is a high-performance, full-recirculating blow-off valve (BOV) designed for select vehicles equipped with factory Bosch or Denso bypass valves. Unlike atmospheric valves that vent to the air, the Plumb Back system redirects all excess pressure back into the intake tract. This ensures quiet, stealthy operation and prevents the "rich" fueling conditions or stalling issues that can occur on vehicles utilizing Mass Air Flow (MAF) sensor systems.

Built as a direct-fit replacement for prone-to-leak plastic factory valves, this unit features precision construction to ensure a superior seal and faster response. It is the ideal solution for enthusiasts who want the reliability and boost-handling benefits of a performance BOV without the loud venting sound associated with traditional valves.

• Direct replacement for factory Bosch and Denso bypass valves
• 20mm inlet/outlet for high-flow recirculating performance
• Stealthy operation with 100% recirculation back into the intake
• Billet construction eliminates boost leaks common in OE plastic components
• Ideal for MAF-equipped vehicles to maintain proper fueling logic
• Manufacturer Part Number: TS-0203-1221

Fits 2015-2024 Honda Civic Type R (FK2, FK8, and FL5 models).

The Turbosmart Kompact Plumb Back Diverter Valve (TS-0203-1217) is a high-performance replacement for the factory plastic bypass valve. Engineered to handle increased boost pressures without leaking or sticking, this valve replaces the prone-to-failure OE diaphragm with a precision-machined brass piston for superior durability and faster response times.

Constructed from aerospace-grade billet aluminum, the Kompact series is designed to withstand the high thermal loads of the K20C1 engine bay. As a Plumb Back model, it recirculates all vented air back into the intake system, maintaining factory-quiet operation while ensuring consistent manifold pressure during gear changes and deceleration.

• Direct bolt-on replacement for the factory Bosch-style diverter valve
• High-grade billet aluminum body with a precision-fit brass piston
• Plumb Back design recirculates air for quiet, street-legal performance
• Prevents boost leaks common in high-mileage or tuned OE valves
• Includes all necessary hardware for a complete installation
• Manufacturer Part Number: TS-0203-1217

Fits select 2002-2021 Subaru Forester XT, Impreza WRX/STI, and WRX/STI models.

The Turbosmart Kompact Plumb Back is a high-performance, full-recirculating blow off valve designed to replace factory bypass valves that are prone to leaking under increased boost. By recirculating all excess pressure back into the intake system, this valve provides the performance and reliability benefits of a precision-machined BOV while maintaining quiet, OEM-like operation. It is an ideal solution for enthusiasts seeking better boost response and durability without the loud venting sound of an atmospheric valve.

• Direct bolt-on replacement for the factory valve
• Full recirculating (Plumb Back) design for quiet operation
• Precision machined billet aluminum construction eliminates boost leaks
• Provides superior boost holding and faster response over stock plastic valves
• Manufacturer Part Number: TS-0203-1215

Fits select 2003-2021 Subaru WRX, Impreza WRX, Forester, and Legacy GT, and 2011-2017 Nissan Juke models.

The Turbosmart Kompact Plumb Back (TS-0203-1210) is a high-performance, full-recirculating blow-off valve (BOV) engineered for enthusiasts who want the reliability and performance of an aftermarket valve without the loud atmospheric venting sound. By recirculating all excess pressure back into the intake system, this valve maintains factory-style operation while eliminating the boost leaks common in plastic or diaphragm-based OE valves.

Constructed from precision-machined billet aluminum, the Kompact series offers superior heat resistance and durability under increased boost levels. It serves as a direct bolt-on replacement for the factory unit, providing sharper throttle response and more consistent boost control across the RPM range.

• Manufacturer Part Number: TS-0203-1210
• System Type: Full Recirculating (Plumb Back)
• Material: High-grade billet aluminum construction
• Direct fitment to factory mounting points and intake plumbing
• Increased boost handling capacity over OE valves
• Quiet operation for a stealthy performance upgrade

Fits select 2006-2013 Mazda 3 Mazdaspeed, 6 Mazdaspeed, and CX-7 models.

The Turbosmart Kompact Plumb Back is a high-performance recirculating blow-off valve designed to replace weak factory plastic bypass valves. By recirculating all excess pressure back into the intake system, this BOV maintains quiet operation and factory-level driveability while providing the reliability and boost-handling capabilities required for tuned vehicles. Its billet aluminum construction ensures it will not crack or leak under high boost pressures, offering a direct-fit solution that improves turbo response and longevity.

• Full recirculating (Plumb Back) operation for quiet, sleeper performance
• Direct replacement for the OEM bypass valve
• Precision-machined billet aluminum construction
• Optimized for boost response and reliability
• Manufacturer Part Number: TS-0203-1209

Vehicle Fitment:

Fits Nissan Skyline GT-R R32, R33, and R34 models equipped with the RB26DETT twin-turbo engine.

The Turbosmart Kompact Dual Port SP (Shortie) Blow Off Valve is a high-performance replacement for factory bypass valves that often bleed boost or fail under increased pressure. Engineered specifically for the Nissan RB26, this valve features a dual-port design that allows for both atmospheric venting and recirculation. This ensures you get the classic blow-off sound while maintaining the air-metering requirements of the factory MAF sensor setup for smooth driveability.

Constructed from precision-machined billet aluminum, the Kompact series is designed to fit in the tight confines of the RB26 engine bay without sacrificing flow or response. The adjustable spring tension allows for fine-tuning to match your specific boost levels and engine vacuum characteristics.

• Direct bolt-on fitment for RB26DETT twin-turbo configurations
• Dual-port design provides simultaneous atmospheric and recirculating flow
• Precision-machined billet aluminum construction with a black anodized finish
• Eliminates boost leaks found in aging factory plastic valves
• Improved throttle response and boost management
• Manufacturer Part Number: TS-0203-1072

Fits Suzuki Swift models. The Turbosmart Kompact Dual Port Blow Off Valve (TS-0203-1071) is engineered to provide a performance-oriented solution that balances daily drivability with aggressive pressure relief. This high-performance bypass valve replaces the factory unit to improve throttle response and boost management.

Using a clever hybrid design with sequential port timing, this valve vents excess pressure back into the air intake during normal driving for quiet, OEM-like operation. Under high-boost or race conditions, it vents to the atmosphere to provide rapid pressure release and the signature blow-off sound. This ensures your Suzuki Swift maintains stable engine management while benefiting from the increased flow capacity of a performance BOV.

• Dual-port design vents to both atmosphere and intake for hybrid performance
• Sequential timing allows for quiet operation during low-load street driving
• Direct bolt-on replacement for factory equipment
• Precision machined for high-pressure reliability and leak-free operation
• Manufacturer Part Number: TS-0203-1071

Fits 2013-2019 Ford Fiesta S, SE, ST, ST Line, and Titanium models equipped with the 1.0L engine. This Turbosmart Kompact VR09 Dual Port (MPN: TS-0203-1065) is engineered to provide the performance of a vent-to-atmosphere blow-off valve while maintaining the drivability of a recirculating system.

The Dual Port design utilizes sequential timing to vent excess boost both to the atmosphere and back into the air intake. This configuration ensures quiet operation during daily driving and light load conditions, while delivering the distinct atmospheric sound and pressure relief required during high-load or race conditions. It is a direct-fit solution that improves boost response and eliminates the plastic failures common with factory-installed bypass valves.

• Dual Port design: Simultaneous atmospheric and recirculating venting
• Sequential timing for optimized operation across the RPM range
• Billet construction for superior heat resistance and durability
• Manufacturer Part Number: TS-0203-1065

Fits 2016-2018 Ford Focus RS (2.3L).

The Turbosmart BOV Kompact Dual Port offers a high-performance, direct replacement for the factory bypass valve on the Ford Focus RS EcoBoost. Designed as a bolt-on solution, this valve improves boost response and pressure handling without requiring custom fabrication or specialized tools. The Dual Port design provides the best of both worlds: atmospheric venting for the classic blow-off sound and recirculation for proper ECU operation, making it an essential upgrade for both stock and tuned engines.

• Direct OEM replacement for factory bypass valve
• Dual Port design supports both atmospheric and recirculating flow
• Easy installation with no special tools or fabrication needed
• Specifically engineered for Ford 2.3L EcoBoost platforms
• Durable construction maintains boost pressure more reliably than OE components
• Manufacturer Part Number: TS-0203-1064

Fits select 2004-2017 Ford F-150 and Focus ST, Porsche 911, and Volvo C30, C70, S40, S60, and V50 models (3.5L).

The Turbosmart Kompact Dual Port Shortie Blow Off Valve (BOV) is designed as a direct-fit performance upgrade for factory diverter valves that often fail or leak under increased boost. Engineered for vehicles utilizing Borg Warner EFR turbos and various OEM setups, the "Shortie" design is specifically tailored for tight engine bays where space is limited.

As a Dual Port valve, this unit offers the best of both worlds: it vents enough air to the atmosphere to provide the classic blow-off sound while recirculating the remainder back into the intake. This hybrid operation ensures the ECU remains satisfied, preventing stalling or rich-running conditions while improving boost response. Every Kompact valve is CNC machined from billet aluminum and features high-temperature O-rings to ensure a reliable seal in high-heat environments.

• Manufacturer Part Number: TS-0203-1061
• Precision CNC machined billet aluminum construction
• Dual-port operation vents to atmosphere and recirculates
• Equipped with high-temperature O-rings for a reliable seal
• Compatible with Borg Warner EFR Turbo Series
• Shortie design for compact fitment in restricted spaces

Fits select 2007-2020 BMW 1 Series M, 135i, 335i, 535i, 740i, X6, and Z4 (3.0L).

The Turbosmart Kompact Dual Port Kit is a precision-engineered performance upgrade designed to replace the failure-prone factory plastic diverter and bypass valves. While OEM valves utilize plastic housings and rubber diaphragms that can leak or perish under increased boost pressures, the Kompact series is CNC-machined from motorsport-proven billet aluminum for maximum durability and pressure handling.

This kit features Turbosmart’s proprietary boost-balance system, ensuring the valve remains closed under high boost while providing rapid response when venting. The 28mm high-flow piston utilizes high-temperature O-rings for a positive seal, making it a direct-swap solution for vehicles running factory or increased boost levels. The Dual Port design offers a split between recirculating air and venting to the atmosphere for a distinct mechanical sound without compromising drivability.

• Billet aluminum construction replaces factory plastic and rubber components
• 28mm high-flowing positive sealing piston
• Boost-balance valve technology for optimum reliability
• Equipped with high-temperature O-rings for longevity
• Direct-swap replacement for OEM units
• Manufacturer Part Number: TS-0203-1050

Fits 2019-2021 Hyundai Veloster N Base.

The Turbosmart Kompact Dual Port Blow Off Valve is a high-performance, direct-fit replacement for the factory all-plastic unit on the 2019-2021 Hyundai Veloster N. While OE valves are prone to leaking under increased boost or over time, the Turbosmart unit is engineered to provide a complete seal across the bypass aperture, ensuring maximum turbocharger performance and response.

Constructed from CNC-machined aerospace-grade billet aluminum and finished in a durable anodized coating, this BOV features high-temperature seals that maintain integrity under extreme engine bay conditions. The Dual Port design offers versatility; it includes a blanking plug allowing you to configure the valve for pure vent-to-atmosphere sound or quiet plumb-back operation.

• Direct-fit upgrade for factory blow off valve
• CNC-machined billet aluminum construction with anodized finish
• High-temperature seals for minimal leakage and maximum boost hold
• Modular design includes blanking plug for atmospheric or recirculating modes
• Manufactured and validated in-house at Turbosmart HQ
• Manufacturer Part Number: TS-0203-1036

Fits the Hyundai i20.

The Turbosmart Kompact Dual Port Blow-Off Valve is a high-performance replacement for the factory plastic diverter valve, which is often prone to leaking or failing under increased boost levels. Engineered from aircraft-grade billet aluminum, this dual-port valve offers a 50/50 split between atmospheric venting for a crisp blow-off sound and recirculating flow to maintain proper engine management compatibility.

This bolt-on upgrade provides sharper throttle response and superior boost handling for both stock and modified vehicles. By replacing the OE unit with the precision-machined TS-0203-1033, you eliminate boost leaks and ensure your turbocharger operates efficiently without the risk of compressor surge or diaphragm failure found in factory valves.

• Manufacturer Part Number: TS-0203-1033
• Dual Port design: 50/50 recirculating and atmospheric venting
• CNC-machined from high-grade billet aluminum for durability
• Direct bolt-on fitment replaces the factory diverter valve
• Improves throttle response and boost holding capacity

Fits the Hyundai i30 N-Line (1.6T).

The Turbosmart Kompact Dual Port Blow Off Valve (TS-0203-1032) is a high-performance, bolt-on replacement for the factory plastic bypass valve. Engineered specifically for the 1.6T engine, this valve utilizes a hybrid dual-port design that vents both to the atmosphere for a distinct blow-off sound and back into the intake system to maintain proper ECU operation and throttle response. CNC-machined from aerospace-grade billet aluminum, it eliminates the common boost leaks and diaphragm failures associated with OE valves, providing superior pressure handling and thermal stability.

• Direct fitment to factory mounting points
• Dual-port design for 50/50 atmospheric and recirculating venting
• Precision-machined billet aluminum construction
• Optimized spring rate for 1.6T boost profiles
• High-temperature O-rings for leak-free sealing
• Manufacturer Part Number: TS-0203-1032

Fits 2013-2021 Hyundai Veloster Turbo, Turbo R-Spec, and Turbo Ultimate models.

The Turbosmart Kompact VR02 Dual Port Blow-Off Valve is a direct-fit replacement for the factory bypass valve found on the Hyundai Veloster Turbo. The original equipment (OE) valve is a plastic unit that is prone to becoming brittle and failing over time. Under increased boost levels, the factory valve often struggles to stay closed, leading to boost leaks and lost performance. The Kompact series provides a high-performance solution that handles higher pressure with ease.

The Dual Port design offers the best of both worlds, venting air both to the atmosphere for the signature blow-off sound and back into the intake for factory-smooth operation. This bolt-on upgrade ensures your forced induction system remains sealed and responsive during spirited driving or on vehicles with aftermarket tuning.

• Manufacturer Part Number: TS-0203-1031
• Dual Port venting for sound and performance
• Direct replacement for the factory plastic bypass valve
• Eliminates boost leaks at high pressure levels
• Specifically designed for the Hyundai Veloster Turbo platform

Vehicle Fitment:

• 2013-2017 Hyundai Veloster Turbo
• 2019-2021 Hyundai Veloster Turbo
• 2014-2017 Hyundai Veloster Turbo R-Spec
• 2019-2021 Hyundai Veloster Turbo R-Spec
• 2019-2021 Hyundai Veloster Turbo Ultimate

Fits 1988-1994 Nissan Skyline GTS-T models.

The Turbosmart Kompact Dual Port (TS-0203-1026) offers a versatile solution for Skyline owners seeking improved boost response without sacrificing drivability. This dual-outlet blow-off valve utilizes sequential port timing to provide quiet, recirculated operation during low-load daily driving while delivering the classic vent-to-atmosphere sound under high-boost conditions.

By venting to both the atmosphere and the air intake, the Kompact Dual Port ensures the engine management system maintains proper air-fuel ratios during light shifts while providing the flow capacity needed for performance applications. Its compact design is specifically engineered to fit in the tight engine bays of the R32 GTS-T, replacing the factory unit with a more durable, precision-machined alternative.

• Manufacturer Part Number: TS-0203-1026
• Dual-port design: Vents to atmosphere and recirculates back to intake
• Sequential port timing for quieter daily operation
• Billet aluminum construction for high-temperature durability
• Direct fit for 1988-1994 Nissan Skyline GTS-T

Fits 2018-2021 Kia Stinger GT, GT1, and GT2 (3.3L V6).

Replace the restrictive, factory-equipped plastic bypass valves on your twin-turbocharged V6 with the Turbosmart Kompact Dual Port BOV kit. Engineered as a direct-fit performance upgrade, these valves eliminate the boost leaks and pressure drops common with OE plastic units, especially under increased boost levels. The Dual Port design offers the flexibility of both vent-to-atmosphere sound and quiet plumb-back operation, allowing you to choose your preferred acoustic profile using the included blanking plugs.

Each valve is CNC machined from billet aerospace-grade aluminum and finished with a durable anodized coating. High-temperature seals ensure a consistent, airtight seal across the bypass aperture, maximizing turbocharger response and efficiency. This kit includes two valves to satisfy both turbos on the 3.3L engine.

• Billet CNC aluminum construction for superior strength over plastic OE units
• Direct-fit replacement for factory bypass valves
• Dual Port functionality: atmospheric venting or plumb-back modes
• High-temperature internal seals for minimal leakage
• Includes blanking plugs for configuration adjustments
• Manufactured and validated in-house at Turbosmart HQ
• Manufacturer Part Number: TS-0203-1025

The Turbosmart Kompact Dual Port 34mm Blow-Off Valve offers a versatile forced induction solution, combining the quiet operation of a recirculating bypass valve with the performance sound of a vent-to-atmosphere BOV. Engineered with sequential port timing, this dual-outlet unit vents to the intake during low-load everyday driving to maintain street manners, while opening the atmospheric port under higher boost conditions for maximum flow.

• 34mm inlet and outlet for high-flow capacity
• Dual Port design: Vents to both atmosphere and air intake simultaneously
• Sequential timing prevents stalling and ensures stable operation during gear shifts
• Modular design: Easily convertible to full atmospheric or full bypass configuration using the included port blanking plug
• Precision-machined construction for leak-free performance and durability
• Manufacturer Part Number: TS-0203-1023

Fits select 1979-2024 Audi, Bentley, Fiat, Ford, Lancia, Mazda, Peugeot, Porsche, Saab, Volvo, and VW models (1.8T / 1.6L / 2.0L).

The Turbosmart Kompact Dual Port series offers a high-performance alternative to restrictive factory plastic valves. This 25mm blow-off valve features a sequential port system that allows for simultaneous atmospheric venting and air recirculation. This engineered design ensures quiet operation during low-boost cruising to avoid cabin drone while delivering the distinct atmospheric sound and rapid pressure relief needed during high-load gear changes. Its billet aluminum construction provides superior heat resistance and reliability compared to OE components.

• 25mm inlet and outlet diameter
• Dual Port technology for combined recirculation and atmospheric venting
• Precision-machined billet aluminum construction
• Designed specifically for 1.8T, 1.6L, and 2.0L turbocharged applications
• Manufacturer Part Number: TS-0203-1022

The Turbosmart Kompact Dual Port Blow-Off Valve (BOV) provides a high-performance forced induction solution by combining recirculating and atmospheric venting. This 20mm Dual Port unit utilizes sequential timing to vent excess boost back into the air intake during low-load conditions for quiet operation, while venting to the atmosphere under high boost for maximum pressure relief and the classic BOV sound.

Engineered for versatility, the TS-0203-1021 is easily converted to a dedicated full-atmospheric or full-bypass (recirculating) unit using the supplied port blanking plug. This allow enthusiasts to tune the valve's behavior to match specific performance needs or local noise requirements without switching hardware.

• Dual Port Design: Vents to both atmosphere and intake simultaneously
• Sequential Timing: Ensures quiet operation during daily driving
• Compact 20mm Inlet: Ideal for tight engine bays and custom plumbing
• Convertible Configuration: Includes blanking plug for full bypass or full atmosphere modes
• Precision Machined: Built for reliable boost holding and response
• Manufacturer Part Number: TS-0203-1021

The Turbosmart Kompact Supersonic is a high-performance, direct-fit replacement for the factory plastic bypass valve on 2016+ Honda Civic Si and RS models (1.5L). Unlike the original equipment component, which often leaks or fails under increased boost levels, this billet aluminum blow off valve provides superior pressure handling and a sharper throttle response.

Designed as a Supersonic model, it vents to the atmosphere to provide the signature blow-off sound while maintaining the reliability expected from Turbosmart’s precision engineering. The bolt-on design allows for a straightforward installation onto the factory turbocharger mounting point without requiring custom fabrication.

• Direct-fit replacement for the OE bypass valve
• Precision-machined billet aluminum construction
• Atmospheric vent for signature BOV sound
• Improved boost holding capability and reliability
• Manufacturer Part Number: TS-0203-1018

Fits 2017-2021 Honda Civic Type R (1.5L).

The Turbosmart Kompact Dual Port Blow Off Valve (BOV) is a high-performance, direct-fit replacement for the factory plastic unit found on VTEC Turbo engines. Designed to solve the boost leak and durability issues common with OE valves, this unit is engineered to handle high boost levels without failing. As a Dual Port model, it provides both atmospheric venting for that signature blow-off sound and recirculation for consistent engine management performance.

• Precision CNC-machined from aerospace-grade billet aluminum
• Durable anodized finish for superior corrosion resistance
• High-temperature seals ensure leak-free operation under extreme thermal loads
• Direct bolt-on installation to factory mounting points
• Manufactured and validated in-house at Turbosmart HQ
• Manufacturer Part Number: TS-0203-1017

Fits select 2003-2021 Subaru WRX, Impreza WRX, Legacy GT, Forester XT, and 2011-2017 Nissan Juke models.

The Turbosmart Kompact Dual Port blow-off valve is a high-performance bolt-on replacement for factory bypass valves. Original equipment valves are prone to cracking over time due to heat cycling and rely on fragile rubber diaphragms that perish under pressure. The Kompact series solves these failure points with a small-footprint design that delivers big-valve performance.

Constructed from billet aluminum, this valve features a precision-machined lightweight piston that provides rapid response and a superior seal without the need for O-rings or diaphragms. This design is significantly more durable than stock, effectively guarding against compressor surge even when boost levels are increased. The Dual Port configuration allows for both recirculating and atmospheric venting, providing the reliability of a bypass valve with the performance sound of a BOV.

• Billet aluminum construction for maximum strength and heat resistance
• Precision-machined piston ensures excellent valve response and sealing
• Diaphragm-free design eliminates common failure points
• Direct-fit replacement for the factory plastic bypass valve
• Designed to handle increased boost pressures and prevent compressor surge
• Manufacturer Part Number: TS-0203-1010

Fits 2006-2012 Mazda 3 Mazdaspeed, Mazda 6 Mazdaspeed, and Mazda CX-7 models equipped with the 2.3T turbocharged engine.

The Turbosmart Kompact Dual Port Blow Off Valve (TS-0203-1009) provides a versatile solution for owners seeking both performance and driveability. This dual-outlet valve utilizes sequential timing to vent back into the air intake at low boost for quiet operation during daily driving, while opening to the atmosphere under higher load to deliver the signature BOV sound and improved pressure management.

Designed as a direct replacement for the factory unit, the Kompact series is built to withstand increased boost levels that often cause plastic OEM valves to leak or fail. This ensures consistent boost pressure and sharper throttle response throughout the RPM range by preventing boost bleed-off.

• Manufacturer Part Number: TS-0203-1009
• Valve Type: Kompact Dual Port (recirculating and atmospheric)
• Operation: Sequential timing for quieter low-boost performance
• Construction: High-performance replacement for factory plastic valves
• Fitment: Direct bolt-on for Mazda 2.3T turbocharged engines

Fits 2016-2019 Cadillac ATS-V (3.6L).

The Turbosmart Kompact Dual Port Blow-Off Valve (BOV) kit for the Cadillac ATS-V is engineered to replace the factory bypass valves with a more robust, high-performance solution. This dual port design offers a hybrid operation, providing the signature atmospheric blow-off sound while maintaining recirculating functionality to ensure the engine management system operates correctly.

By upgrading to the Kompact series, you improve turbocharger response and effectively eliminate compressor surge. This protects your ATS-V's twin turbochargers from premature wear and ensures consistent boost pressure during aggressive gear changes. This kit is a direct-fit replacement, designed to handle the increased boost pressures of tuned vehicles while remaining perfectly compatible with stock configurations.

• Manufacturer Part Number: TS-0203-1008
• Series: Kompact Dual Port
• Operation: 50/50 staged vent-to-atmosphere and recirculating
• Fitment: Direct replacement for OE valves on 3.6L Twin Turbo engines
• Benefits: Faster boost recovery and surge protection

Fits 2002-2007 Subaru Impreza WRX, WRX Limited, WRX STI, WRX STI Limited, and WRX TR.

The Turbo XS Type XS RFL (Really Freakin' Loud) blow off valve is engineered for enthusiasts seeking maximum acoustic impact and reliable boost management. This atmospheric vent valve is a direct-fit replacement for the factory bypass valve on the 2002-2007 Subaru WRX and STI platforms. Designed to handle increased boost levels while preventing compressor surge, the Type XS RFL provides the signature aggressive sound that Turbo XS is known for.

• Manufacturer Part Number: WS02-XS-RFL
• Supersedes: WS-RFL
• Atmospheric venting design for audible pressure release
• Direct-fit installation on factory intercooler mounting points

Vehicle Fitment:

• 2002-2007 Subaru Impreza WRX
• 2006-2007 Subaru Impreza WRX Limited
• 2004-2007 Subaru Impreza WRX STI
• 2007 Subaru Impreza WRX STI Limited
• 2006-2007 Subaru Impreza WRX TR

Fits 2008-2014 Subaru Impreza WRX and WRX STI models including Limited, Premium, and Special Edition trims.

The Turbo XS RFL (Really Fast Loud) Blow Off Valve is engineered specifically for the 2008-2014 WRX/STI platform to provide reliable boost pressure relief and the signature atmospheric vent sound. By venting excess pressure when the throttle plate closes, this valve protects your turbocharger from compressor surge and helps maintain throttle response between shifts.

Constructed from high-grade billet aluminum for maximum durability, the WRX08-RFL is a direct-fit upgrade designed to handle higher-than-stock boost levels without leaking. The kit includes the necessary hardware for a secure installation onto the factory intercooler flange.

• Manufacturer Part Number: WRX08-RFL
• Type: Atmospheric Blow Off Valve (BOV)
• Material: Billet Aluminum
• Direct fit for EJ-series engines in the 2008-2014 chassis
• Includes all necessary mounting hardware and gaskets

Fits 2008-2014 Subaru Impreza WRX and WRX STI models including Limited, Premium, and Special Edition trims.

The Turbo XS 50/50 Hybrid Blow Off Valve (WRX08-HYB) is a vehicle-specific solution designed to provide the aggressive sound of an atmospheric vent without the drivability issues common on MAF-based engines. By recirculating a portion of the air back into the intake tract and venting the rest, this hybrid valve maintains proper fuel trims and prevents the rich-condition stalling often seen with full atmospheric valves.

Constructed to handle higher boost pressures than the factory plastic unit, this BOV protects your turbocharger from compressor surge while improving throttle response during gear changes. It is a direct-fit replacement that mounts to the factory intercooler flange.

• Hybrid 50/50 venting ratio for sound and stability
• Helps eliminate stalling and stumbling during shifts
• Direct bolt-on fitment for 2008-2014 Subaru WRX/STI
• Designed to manage increased boost levels
• Manufacturer Part Number: WRX08-HYB

Fits 2022-2024 Subaru WRX.

The TurboXS Hybrid Blow Off Valve (W22-XS-HYB) is engineered specifically for the VB chassis WRX, providing a performance-oriented solution that balances auditory feedback with engine management requirements. This hybrid design utilizes a dual-port system, combining atmospheric venting for a distinct pressure release sound with recirculation to ensure the ECU maintains correct air-fuel ratios and smooth idle characteristics.

Constructed from CNC-machined 6061 aluminum and finished in a durable stealth black anodize, this valve is built for longevity and a clean engine bay appearance. It serves as a direct bolt-on replacement for the factory bypass valve and can be installed in approximately 20 minutes using standard hand tools.

• Material: 6061 Aluminum
• Finish: Stealth Black Anodized
• Configuration: Hybrid (Recirculation + Vent-to-Atmosphere)
• Installation: Direct bolt-on; estimated 20-minute install
• Manufacturer Part Number: W22-XS-HYB

Fits 2015-2019 Subaru WRX models (Base, Limited, and Premium).

The Turbo XS Type XS Recirculating Bypass Valve is a high-performance replacement for the factory plastic unit, specifically engineered to handle the increased boost levels of modified 2015-2019 Subaru WRX engines. This recirculating valve is designed to vent metered air back into the intake tract, maintaining proper air-fuel ratios and preventing the stumbling or rich-running conditions common with atmospheric blow-off valves on MAF-equipped vehicles.

Constructed for durability and precision, this valve eliminates the boost leaks often found in OE components, ensuring faster boost recovery between shifts and improved throttle response. The sleek black finish provides a clean, stealthy look in the engine bay while the bolt-on design allows for a straightforward installation.

• Manufacturer Part Number: W15-XS-RBV
• Type: Recirculating Bypass Valve (RBV)
• Finish: Anodized Black
• Fitment: Direct replacement for 2015-2019 Subaru WRX factory valve
• Design: Type XS series