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

The Turbo XS Type XS Hybrid Blow Off Valve is specifically engineered for the FA20DIT platform to deliver improved boost response and the signature atmospheric blow-off sound without compromising drivability. This hybrid design functions by recirculating a portion of the air back into the intake to satisfy the factory MAF sensor requirements while venting the remaining air to the atmosphere.

• Hybrid atmospheric and recirculating design for optimal performance and sound
• Direct bolt-on replacement for the factory bypass valve
• Precision-machined internal components for superior pressure retention
• Helps eliminate boost leaks found in stock plastic valves
• Finished in durable materials for long-term engine bay heat resistance
• Manufacturer Part Number: W15-XS-HYB

Fits 2006-2013 Mazda Mazdaspeed3 and Mazdaspeed6. The Turbo XS Hybrid Blow-Off Valve (MS3-HYB) is specifically engineered for the MZR 2.3L DISI Turbo engine. This hybrid design offers the best of both worlds: it recirculates a portion of the air to satisfy the factory MAF sensor and prevent stalling, while venting the remainder to the atmosphere for the signature blow-off sound.

A direct replacement for the factory bypass valve, the MS3-HYB is built to handle higher boost pressures than the OEM unit, preventing leaks and improving throttle response during gear changes. It helps protect your turbocharger by effectively eliminating compressor surge when the throttle plate closes.

• Precision Engineering: Machined for tight tolerances to ensure a leak-free seal under high boost.
• Dual Port Functionality: Provides both atmospheric sound and recirculating performance.
• Bolt-On Installation: Replaces the factory valve using original mounting points.
• Manufacturer Part Number: MS3-HYB

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 manage increased boost levels with precision. Manufactured in the USA, this valve features a large 44mm piston and high-grade Viton O-rings designed to withstand the high charge air pressures and elevated outlet temperatures generated by your turbocharger.

This hybrid design provides a significant durability upgrade over the stock plastic component. The specifically positioned hybrid slot and atmospheric vent port deliver the signature blow-off sound between shifts without compromising drivability. Every unit is finished in black anodizing for a clean look and long-term corrosion resistance.

• Direct bolt-on replacement for the OEM bypass valve
• Large 44mm internal piston for high flow and responsiveness
• Durable Viton O-rings for superior sealing under heat and pressure
• Hybrid atmospheric and recirculating operation
• Made in the USA
• Manufacturer Part Number: HC15T-HYB-BLK

Fits select 2010-2016 Hyundai Genesis Coupe and Veloster (2.0T).

The Turbo XS Hybrid Blow Off Valve (MPN: BOV-SML) is engineered specifically for Hyundai's 2.0T turbocharged powerplants. This hybrid-port design provides the best of both worlds: it recirculates a portion of the air back into the intake to maintain stable engine management and MAF sensor readings while venting the remainder to the atmosphere for the signature blow-off sound. It serves as a robust replacement for the factory bypass valve, designed to improve boost response and handle higher pressure levels than OE components.

• Manufacturer Part Number: BOV-SML
• Hybrid dual-port configuration for performance and sound
• Direct fit for 2.0T turbocharged Hyundai engines
• Constructed to handle increased boost pressures over stock
• Application-specific fitment ensures streamlined installation

The Turbo XS Type H-RFL Blow Off Valve is engineered for high-performance turbocharged applications where a high-volume, atmospheric vent-to-atmosphere (VTA) relief is required. This valve is designed to relieve excess pressure between the turbocharger and the throttle body during shifts or sudden deceleration, preventing compressor surge and extending the service life of your turbo's bearings.

Built for durability and precise boost management, the Type H-RFL utilizes a hard-anodized billet aluminum piston rather than a traditional rubber diaphragm. This design ensures consistent operation under extreme thermal stress and high boost pressures. The integrated O-ring seal provides a leak-free seat to maintain intake tract integrity when the system is under load. The spring rate is adjustable via internal shims, allowing you to fine-tune the valve response to your specific vacuum and boost levels.

• Manufacturer Part Number: BOV-H-RFL
• Material: Billet aluminum body and piston
• Seal: High-temperature O-ring assembly
• Piston Type: Hard-anodized aluminum
• Venting Style: Atmospheric
• Includes: Blow off valve, aluminum piston, and O-ring

The Torque Solution V2 Blow Off Valve (BOV) Sound Plate is engineered to provide that signature atmospheric vent sound for turbocharged vehicles using factory bypass valves. By installing this CNC-machined spacer between the OE diverter valve and the turbo compressor housing, a portion of the compressed air is vented to the atmosphere upon throttle lift-off, creating the classic "whoosh" sound without triggering a check engine light on most applications.

Constructed from high-grade 6061 billet aluminum and finished in a silver anodizing for maximum corrosion resistance, the V2 sound plate is built to withstand high under-hood temperatures and boost pressures. This simple bolt-on modification allows you to retain your factory electronic control while gaining the performance auditory feedback usually reserved for expensive aftermarket valves.

• CNC machined 6061 billet aluminum construction
• Corrosion-resistant silver anodized finish
• Simple bolt-on installation between OE valve and turbo housing
• Delivers a crisp atmospheric blow-off sound
• Direct fit for multiple turbocharged applications
• Manufacturer Part Number: TS-GEN-002S.2

The Torque Solution V2 Blow Off Valve (BOV) Sound Plate is engineered to deliver a crisp atmospheric vent sound for turbocharged engines. This V2 plate installs directly between the factory diverter valve and the turbo housing, allowing a portion of the boost pressure to vent to the atmosphere (VTA) rather than being fully recirculated back into the intake tract.

This modification provides the sought-after atmospheric blow-off sound while retaining the reliability and precise boost control of the original equipment (OE) electronic bypass valve. It is an ideal solution for enthusiasts looking to increase auditory feedback and engine bay aesthetics without the cost or complexity of a full aftermarket valve replacement.

• High-visibility Red finish for a custom engine bay appearance
• V2 design optimized for sound resonance and fitment
• Direct bolt-on installation between the diverter valve and turbocharger
• Vents to atmosphere (VTA) for increased sound levels
• Manufacturer Part Number: TS-GEN-002R.2

The Torque Solution V2 Blow Off BOV Sound Plate (TS-GEN-002PR.2) is designed to deliver that signature atmospheric blow-off sound while retaining the factory electronic or pneumatic bypass valve. This precision-engineered adapter sandwiches between the OEM bypass valve and the turbo compressor housing, allowing a portion of the boost pressure to vent to the atmosphere upon throttle lift-off.

• CNC machined 6061-T6 billet aluminum for maximum durability
• Vibrant purple anodized finish for long-lasting corrosion resistance
• Provides a crisp, audible vent-to-atmosphere (VTA) sound
• Simple bolt-on installation with included hardware
• Retains factory bypass valve functionality and reliability
• Manufacturer Part Number: TS-GEN-002PR.2

By utilizing the Torque Solution V2 sound plate, you can achieve an aggressive turbo sound without the complexity of a complete valve replacement. This plate is built to precise tolerances to ensure a leak-free seal and consistent performance across multiple applications.

The Torque Solution V2 Blow Off Valve (BOV) Sound Plate (Blue) is designed for enthusiasts who want the signature atmospheric blow-off sound while retaining the factory diverter or bypass valve. This V2 spacer installs between the OEM valve and the turbo housing, venting a portion of the pressurized air to the atmosphere during throttle lift-off.

• V2 design finished in Blue for a custom engine bay aesthetic
• Provides a distinct blow-off valve sound while maintaining factory valve operation and ECU control
• Direct bolt-on installation using included hardware
• Manufacturer Part Number: TS-GEN-002BU.2

This kit includes the V2 blue sound plate and the necessary mounting hardware. It is a specific solution for achieving a performance sound while utilizing the reliability of the factory boost control system across multiple vehicle applications.

The Torque Solution V2 Blow Off Valve Sound Plate is engineered to provide that signature atmospheric blow-off sound while retaining the factory bypass valve. Designed for multiple turbocharged applications, this spacer installs between the OE bypass valve and the mounting surface, venting a portion of the compressed air to the atmosphere upon throttle lift-off.

• CNC machined 6061 billet aluminum construction for precise fitment
• Black anodized finish for superior corrosion and wear resistance
• Simple bolt-on installation using factory mounting points
• Achieves the classic BOV sound without requiring a full valve replacement
• Manufacturer Part Number: TS-GEN-002BK.2

Fits 2010+ Hyundai Genesis Coupe (2.0T).

The Torque Solution Blow Off Valve Block Off Plate is an essential component for owners upgrading to an external aftermarket blow-off valve. This precision-engineered plate installs directly onto the factory turbocharger compressor housing, effectively sealing the original bypass valve port to ensure a leak-free intake system under boost.

• Allows for the removal of the factory valve when relocating to an external BOV
• CNC machined for precise fitment and long-term durability
• Direct bolt-on installation to the factory compressor housing
• Manufacturer Part Number: TS-GEN-001.2

Fine-tune your TiAL Sport QRJ blow-off valve (BOV) response with this genuine replacement spring. Engineered specifically for the QRJ series, this 1.5 PSI spring allows for precise calibration of the valve's opening characteristics based on your engine's specific vacuum requirements at idle.

• Manufacturer Part Number: 004983
• Compatibility: TiAL QRJ Series BOV only
• Pressure Rating: 1.5 PSI
• Color Code: Black
• Material: High-quality spring steel for consistent tension and durability

Calibrate your turbocharger system for peak response with this genuine TiAL Sport replacement spring. Engineered specifically for the TiAL QR Blow Off Valve series, this 10 PSI spring (color-coded Black) ensures your valve opens and closes at the precise manifold vacuum levels required for your specific engine setup.

Proper spring selection is critical to preventing compressor surge and maintaining boost pressure. This 34mm spring is manufactured from high-tensile spring steel to resist fatigue and maintain consistent tension through extreme under-hood heat cycles. Whether you are replacing a worn component or tuning for a new vacuum profile, this genuine TiAL part provides the reliability and fitment only an original equipment manufacturer can offer.

• Manufacturer Part Number: 004939
• Pressure Rating: 10 PSI
• Color Code: Black
• Compatibility: TiAL QR Series Blow Off Valves (34mm)
• Material: High-tensile spring steel

This TiAL Sport replacement spring is engineered specifically for the QRJ series recirculating blow off valve. Designed to provide a precise 3 PSI tension, this spring allows enthusiasts to fine-tune their forced induction system's bypass response to match specific vacuum levels. The spring is finished in black for clear identification and manufactured to strict tolerances for consistent performance under pressure.

• Manufacturer Part Number: 004727
• Spring Rating: 3 PSI
• Series: TiAL Sport QRJ
• Finish: Black
• Note: Body and mounting flanges are not included

Fine-tune your forced induction system's response with this genuine TiAL Sport 12 PSI replacement spring. Designed for precision and durability, this "Red" coded spring allows you to calibrate your blow-off valve to your engine’s specific manifold vacuum at idle, ensuring the valve remains closed under vacuum while reacting instantly to throttle lift.

• Pressure Rating: 12 PSI (Red Color Code)
• Compatibility: Fits TiAL Q, QR, and original BV 50mm Blow-Off Valves
• Material: High-tensile spring steel for consistent seat pressure and long service life
• Installation: Direct replacement for the internal spring within the BOV actuator housing
• Manufacturer Part Number: 004030

Proper spring selection is critical to prevent both compressor surge and premature venting. This 12 PSI spring is specifically intended for setups requiring a higher vacuum threshold to maintain a proper seal at idle.

Optimize your turbocharger system’s relief pressure with this authentic TiAL Sport Q Series replacement spring. This 12 PSI spring is specifically color-coded purple for easy identification and is engineered to maintain the correct seat pressure in TiAL Q blow-off valves. Proper spring selection is essential for matching the valve’s opening characteristics to your engine’s manifold vacuum at idle, preventing boost leaks while ensuring rapid venting during throttle lift-off.

• Manufacturer Part Number: 004029
• Pressure Rating: 12 PSI
• Identification Color: Purple
• Compatibility: Designed specifically for TiAL Q series blow-off valves
• Material: Precision-wound high-tensile spring steel

Fine-tune your TiAL Sport Q or QR Series blow-off valve with this 12 PSI replacement spring. Selecting the correct spring tension is critical for maintaining a proper seal at idle while ensuring the valve opens reliably during vacuum transition. This spring is color-coded Black to signify its 12 PSI rating, designed for specific engine vacuum profiles to prevent boost leaks and optimize throttle response.

• Fits TiAL Sport Q and QR Series Blow Off Valves
• Pressure Rating: 12 PSI (Color-coded Black)
• Material: High-strength spring steel for consistent tension and durability
• Essential for matching BOV response to engine idle vacuum
• Manufacturer Part Number: 004028

Fine-tune your forced induction system with the TiAL Sport Q Series BOV 12 PSI replacement spring. This silver-coded spring is engineered to maintain the proper seal on your TiAL Q series blow-off valve, ensuring the piston remains closed until the designated vacuum threshold is met during deceleration.

• Spring Rate: 12 PSI
• Identification Color: Silver
• Application: TiAL Sport Q Series Blow Off Valves
• Material: High-tensile spring steel
• Manufacturer Part Number: 004026

Selecting the correct spring rate for your engine's specific vacuum profile is critical to preventing compressor surge and maintaining sharp throttle response. This genuine TiAL Sport replacement component is manufactured for consistent tension and long-term durability under high-heat engine bay conditions.

Ensure your TiAL Sport Q or QR series blow-off valve operates at peak efficiency with this genuine replacement spring. Engineered to exacting tolerances, this 8 PSI spring is color-coded Red to denote its specific tension, allowing for precise fine-tuning of your BOV response based on your engine's vacuum profile.

Proper spring selection is critical for maintaining idle stability and preventing compressor surge. This spring keeps the valve seated correctly under vacuum while allowing for immediate venting of boost pressure during throttle lift. Made from high-quality materials to resist fatigue, it is a direct fit for the TiAL Q and QR valve housings.

• Manufacturer Part Number: 002590
• Series Compatibility: TiAL Q and TiAL QR Blow Off Valves
• Spring Rate: 8 PSI
• Identification Color: Red
• Function: Regulates BOV opening and closing based on vacuum/boost pressure

Calibrate your blow-off valve for precise boost response with this genuine TiAL Sport replacement actuator spring. Designed specifically for the TiAL Q Series Blow Off Valve (BOV), this 8 PSI spring ensures your valve operates according to your engine's specific vacuum profile at idle.

• Manufacturer Part Number: 002589
• Pressure Rating: 8 PSI
• Color Identification: Purple
• Application: TiAL Sport Q Series BOV

Proper spring selection is essential to prevent compressor surge and ensure the valve remains closed under vacuum at idle. This high-quality spring is manufactured to strict tolerances for consistent performance and is color-coded purple to simplify identification during installation or tuning.

This genuine TiAL Sport replacement spring is designed to calibrate your Q, QR, or BV 50mm Blow Off Valve (BOV) to your engine's specific vacuum profile. Rated at 8 PSI, this "Black" color-coded spring provides the precise tension required to keep the valve closed at idle while ensuring rapid response during vacuum transitions to protect your turbocharger from compressor surge.

• Manufacturer Part Number: 002588
• Pressure Rating: 8 PSI (0.55 bar)
• Color Code: Black
• Compatible Valves: TiAL Q, TiAL QR, and TiAL BV 50mm
• Material: High-grade spring steel for consistent tension and fatigue resistance
• Ensures proper valve seating and venting based on manifold vacuum

Fine-tune your forced induction system's response with this genuine TiAL Sport replacement spring for Q and QR series blow off valves. This 8 PSI spring is engineered to provide precise control over valve actuation, ensuring optimal pressure relief during throttle lift-off while maintaining a secure seal under boost conditions.

Manufactured from high-grade spring steel, this component is designed to maintain its specific tension through thousands of heat cycles. The blue color-coding allows for easy identification of the pressure rating, ensuring you have the correct spring rate matched to your engine's vacuum profile at idle.

• Compatible with TiAL Q and QR series blow off valves
• Pressure Rating: 8 PSI
• Color Identifier: Blue
• Manufacturer Part Number: 002587
• Precision wound for consistent spring rates

The TiAL Sport Q Series BOV replacement spring (MPN 002586) is engineered to calibrate your blow off valve's opening response based on specific engine manifold vacuum at idle. This 8 PSI silver-coded spring is a genuine internal component designed for use within TiAL Q and QR series valves to ensure accurate venting and prevent premature pressure leaks or compressor surge.

Selecting the correct spring rate is a critical step in turbocharger tuning; the spring must be stiff enough to stay closed at idle but light enough to crack open during throttle lift. This spring is precision-wound to maintain its tension through extreme engine bay heat cycles, providing reliable actuation for high-performance forced induction systems.

• Manufacturer: TiAL Sport
• Compatibility: TiAL Q and QR Series Blow Off Valves
• Pressure Rating: 8 PSI
• Color Code: Silver
• Part Number: 002586

Fine-tune your turbocharger system's response with this genuine TiAL Sport replacement actuator spring. Designed specifically for the TiAL Q and QR series Blow Off Valves, this 6 PSI spring (color-coded Red) allows you to calibrate your valve's opening point based on your engine's specific manifold vacuum at idle.

• Manufacturer Part Number: 002585
• Pressure Rating: 6 PSI (0.41 Bar)
• Spring Color Code: Red
• Application: Replacement or tuning component for TiAL Q, QR, and BV 50mm valves
• Material: High-quality spring steel for consistent tension and durability

Proper spring selection is critical for ensuring the BOV remains closed at idle while reacting quickly to throttle lift. This Red 6 PSI spring is typically utilized in specific vacuum-tuning scenarios where a lighter or heavier tension is required for optimal valve operation.

Fine-tune your forced induction system's response with this genuine TiAL Sport replacement spring. Designed specifically for the TiAL Q and QR series blow-off valves, this spring allows you to calibrate the valve's opening point to match your engine's manifold vacuum at idle.

Choosing the correct spring rate is critical to prevent compressor surge and ensure the valve remains closed under vacuum when necessary. This 6 PSI spring is color-coded black for quick identification during installation or maintenance, ensuring your bypass system operates within its intended pressure range.

• Manufacturer Part Number: 002583
• Pressure Rating: 6 PSI
• Color Code: Black
• Compatibility: Specifically for TiAL Sport Q and QR Blow Off Valves
• Material: Precision-wound high-tensile spring steel

Fine-tune your forced induction system with this genuine TiAL Sport replacement spring for Q and QR series Blow Off Valves (BOV). This 6 PSI spring is a precision-engineered internal component designed to maintain the correct piston seat pressure based on your engine's specific manifold vacuum at idle.

• Compatibility: Specifically designed for TiAL Sport Q and QR Series Blow Off Valves
• Pressure Rating: 6 PSI
• Identification Color: Blue
• Material: High-tensile spring steel for consistent rate and long-term durability
• Function: Regulates BOV opening and closing based on engine vacuum profiles
• Manufacturer Part Number: 002582

Fine-tune your turbocharger system with the authentic TiAL Sport replacement spring (MPN: 002581). This 6 PSI spring, color-coded Silver, is specifically engineered for use within TiAL Q and QR series blow off valves. Selecting the correct spring tension is essential to ensure the valve remains closed at idle while providing a fast, responsive release to prevent compressor surge during shifts and deceleration.

• Compatible with TiAL Q and QR Series Blow Off Valves (BOV)
• Spring Tension Rating: 6 PSI
• Identification Color: Silver
• Application: Typically utilized for engines producing vacuum levels between -8 in/Hg and -11 in/Hg at idle
• Precision-wound for consistent performance and durability
• Manufacturer Part Number: 002581

Tune your TiAL Sport Q Blow Off Valve for precise vacuum response with this genuine replacement spring. Rated at 2 PSI and color-coded red for easy identification, this spring allows you to match your BOV's performance to your engine's specific manifold vacuum at idle. Selecting the correct spring pressure is critical for ensuring the valve remains closed under vacuum while staying responsive enough to vent pressure during shifts or deceleration.

• Manufacturer: TiAL Sport
• Compatibility: Designed for TiAL Q and QR series valves
• Spring Rating: 2 PSI
• Color Code: Red
• Material: High-quality spring steel for consistent tension
• Manufacturer Part Number: 002580

Fine-tune the response of your TiAL blow-off valve with this genuine TiAL Sport 2 PSI replacement spring. This Black color-coded spring is engineered to calibrate the valve opening pressure based on your engine's specific vacuum profile at idle, ensuring the piston stays seated under vacuum while maintaining rapid venting during throttle lift-off.

Constructed from high-fatigue spring steel, this component provides the consistent tension required for high-performance forced induction systems. It is a direct replacement for the internal spring found in the TiAL Q, QR, and original BV 50mm valve housings.

• Pressure Rating: 2 PSI
• Color Code: Black
• Compatibility: TiAL Q, TiAL QR, and TiAL BV 50mm Blow-Off Valves
• Material: High-tensile spring steel
• Manufacturer Part Number: 002578

Fine-tune your forced induction system's response with this authentic TiAL Sport replacement spring (MPN: 002575). Designed specifically for the TiAL Q and QR series blow-off valves, this spring allows you to match your BOV's cracking pressure to your engine's specific vacuum profile at idle.

Proper spring selection is critical for preventing compressor surge and ensuring the valve remains closed under vacuum to avoid unfiltered air entering the intake. This 11 PSI spring is identified by its Red color coding and is precision-wound for consistent tension and durability through thousands of thermal cycles.

• Fits TiAL Sport Q and QR Series Blow Off Valves
• Spring Rating: 11 PSI (-22 in/Hg vacuum)
• Color Code: Red
• Material: High-strength spring steel
• Manufacturer Part Number: 002575