The Torque Solution Blow Off Valve (BOV) Adapter is designed specifically for the VW Golf MK8 2.0T Evo4 and Audi B9 3.0T engines. This adapter allows you to achieve the signature atmospheric "whoosh" sound by venting excess boost pressure into the air rather than recirculating it back into the intake system.

Constructed from high-grade CNC machined aluminum, this adapter is a direct bolt-on solution that installs between the factory electronic diverter valve and the turbocharger housing. It provides a crisp blow-off sound during gear changes and deceleration without requiring complex modifications to the factory plumbing or causing a check engine light.

• CNC machined aluminum for precise fitment and long-term durability
• Provides atmospheric blow off valve sound (VTA)
• Simple bolt-on installation between the factory solenoid and turbo housing
• Designed for 2.0T Evo4 and 3.0T engine applications
• Manufacturer Part Number: TS-BOV-852

The Torque Solution TS-BOV-851 Blow Off Valve Adapter is designed to provide that signature atmospheric blow-off sound for your turbocharged Mercedes-Benz without requiring a complete valve replacement. This sandwich-style adapter installs directly between the factory electronic bypass valve and the turbocharger compressor housing.

By venting a portion of the charge air to the atmosphere instead of recirculating it, this adapter delivers a sharp audible pressure release while allowing the factory ECU to maintain precise control over the boost system. It is a simple, effective solution for enthusiasts looking to enhance the acoustic profile of their engine without compromising reliability.

• CNC machined 6061-T6 billet aluminum construction
• Corrosion-resistant black anodized finish
• Installs between the factory bypass valve and the turbo housing
• Designed for select Mercedes-Benz C-Class, E-Class, G-Class, and S-Class models
• Manufacturer Part Number: TS-BOV-851

The Torque Solution HKS Blow Off Valve Adapter provides a direct, bolt-on solution for mounting an HKS Super Sequential Blow Off Valve to your factory turbo system. Fits select Kia Stinger, K5, and Hyundai Sonata (2.5T) models.

This adapter is engineered to replace the factory bypass valve without requiring permanent modifications, cutting, or welding of the stock charge pipe. It is CNC machined from high-grade aluminum to ensure precise tolerances and a reliable seal under high boost pressure. The included O-ring ensures a leak-free interface between the adapter and the charge pipe flange.

• Direct fit for HKS SSQV / SSQV III / SSQV IV Blow Off Valves
• CNC machined billet aluminum construction
• Installs to factory mounting location
• Includes O-ring seal for boost-leak prevention
• Manufacturer Part Number: TS-BOV-687

Fits select 2019-2024 Chevrolet Silverado 1500, GMC Sierra 1500, and Cadillac CT4 (2.7T).

The Torque Solution TS-BOV-678 Blow Off Valve Adapter is designed to provide the signature atmospheric blow-off sound for your 2.7T turbocharged engine without replacing the entire factory diverter valve. This adapter installs between the OEM bypass valve and the charge pipe, venting pressurized air to the atmosphere upon throttle lift-off rather than recirculating it back into the intake tract.

Each adapter is CNC-machined from high-grade 6061 billet aluminum and finished with a black anodized coating for long-term corrosion resistance. This simple bolt-on modification allows the factory ECU to maintain boost control while providing the aggressive auditory feedback enthusiasts desire during gear changes and deceleration.

• Precision CNC machined 6061 billet aluminum
• Black anodized finish for durability and a clean look
• Simple bolt-on installation between factory valve and housing
• Retains factory ECU boost management
• Manufacturer Part Number: TS-BOV-678

Fits 2020 Kia K5 and Hyundai Sonata (1.6L).

The Torque Solution Blow Off Valve Adapter (TS-BOV-654) allows you to achieve the signature atmospheric blow-off sound while maintaining the factory electronic diverter valve. This adapter is engineered to sit between the OE bypass valve and the turbo housing, venting charge air to the atmosphere upon throttle lift-off rather than recirculating it.

• Direct bolt-on installation between the factory solenoid and turbo compressor
• Retains stock ECU control of the diverter valve
• Designed specifically for the 1.6L turbo engine platform
• Durable construction for reliable performance under boost
• Manufacturer Part Number: TS-BOV-654

Fits 2016-2019 Infiniti Q50 and Q60 (1.6T / 2.0T).

The Torque Solution Blow Off Valve (BOV) Adapter is designed to give your turbocharged Infiniti the aggressive atmospheric blow-off sound you desire. This precision-engineered adapter bolts directly between the factory bypass valve and the turbocharger compressor housing, redirecting charge air to the atmosphere instead of recirculating it. This simple modification provides a crisp vent-to-atmosphere sound without requiring permanent vehicle modifications or complex plumbing.

• Manufacturer Part Number: TS-BOV-503
• CNC machined for precise fitment and durability
• Simple bolt-on installation using factory mounting points
• Vents to atmosphere for audible blow-off sound

The Torque Solution Dual HKS Blow Off Valve Adapter fits 2018-2020 Kia Stinger GT, GT1, and GT2 models equipped with the 3.3T engine.

This adapter is designed to facilitate the installation of dual HKS Super SQV blow off valves by replacing the factory recirculation/bypass valves. It provides a direct-fit solution for owners looking to upgrade their twin-turbo system's pressure relief characteristics and achieve the distinct HKS blow-off sound. Precision engineering ensures the adapter maintains correct positioning and clearance within the Stinger's engine bay.

• Direct-fit for HKS Super SQV series blow off valves
• Specifically engineered for the Kia 3.3T twin-turbocharged engine
• Simplifies the transition from factory bypass valves to high-performance aftermarket units
• Manufacturer Part Number: TS-BOV-489-3.3T

The Torque Solution HKS Blow Off Valve Adapter provides a simple, bolt-on solution for mounting an HKS Super Sequential Blow Off Valve (SSQV) to your factory intercooler piping. Designed specifically for the 2017+ Hyundai Elantra Sport (1.6T), this adapter allows you to replace the factory bypass valve without the need for custom welding or permanent modifications.

Precision CNC machined from 6061-T6 billet aluminum, this adapter is built to withstand high boost pressures while maintaining a leak-free seal. Its low-profile design ensures proper clearance within the engine bay, making it an essential component for owners looking to improve throttle response and achieve the iconic HKS atmospheric discharge sound.

• Fits 2017+ Hyundai Elantra Sport (1.6T)
• Direct fitment for HKS SSQV / Super Sequential Blow Off Valves
• CNC machined 6061-T6 billet aluminum construction
• Installs to factory mounting points with no welding required
• Manufacturer Part Number: TS-BOV-489-1.6T

The Torque Solution aluminum blow off valve flange provides a precision-engineered mounting solution for TiAL 50mm Q and Q-R series valves. CNC machined from high-grade aluminum, this weld-on flange is designed for builders and technicians fabricating custom charge pipes or intercooler plumbing. It ensures a stable, leak-free seat for the BOV, allowing for reliable pressure relief in forced induction systems.

• CNC machined from 6061-T6 billet aluminum
• Designed specifically for TiAL 50mm Q and Q-R series blow off valves
• Weld-on design for custom aluminum intercooler piping and charge pipes
• Corrosion-resistant finish for long-term durability
• Manufacturer Part Number: TS-AL-TIAL

Ensure your forced induction system remains leak-free with the genuine HKS Replacement O-Ring (MPN 91731-065100). This critical seal is designed specifically for the HKS Super SQV (Super Sequential Blow-Off Valve) series, providing an airtight interface between the BOV body and its mounting flange or adapter.

Engineered to withstand the constant heat cycles of the engine bay, this O-ring replaces worn, hardened, or flattened seals that can cause pressure loss and reduced turbocharger response. Utilizing a genuine HKS component ensures the precise tolerances and material compatibility required for reliable high-boost performance.

• Genuine HKS replacement component
• Manufacturer Part Number: 91731-065100
• Optimized for HKS Super SQV (SSQV) series blow-off valves
• Ensures airtight sealing to prevent boost leaks
• Durable high-temperature rubber construction

Fits 2017-2019 Honda Civic models equipped with L15C and L15B turbocharged engines.

The HKS Super SQV Recirculation Kit allows you to convert your blow-off valve from a vent-to-atmosphere (VTA) setup to a recirculating system. By routing the discharged air back into the intake stream, this kit helps maintain consistent engine management sensor readings and reduces the audible "blow-off" sound for a more discrete operation. This kit is specifically engineered to integrate with the HKS Super SQV series on the 10th generation Honda Civic platform.

• Maintains proper ECU metering by recirculating air back into the intake
• Reduces the loud discharge sound associated with VTA setups
• Includes specialized recirculation tube and necessary connection hardware
• Designed for seamless fitment with HKS Super SQV mounting kits
• Manufacturer Part Number: 71008-AH010

Fits 2008 Mitsubishi Lancer Evolution X GSR and MR models.

The HKS SSQV Recirculation Kit (71002-AM001) is designed to convert your atmospheric HKS Super Sequential Blow Off Valve into a recirculating setup. By routing discharged air back into the intake tract before the turbocharger, this kit helps maintain proper air-fuel ratios on MAF-equipped vehicles, preventing the stalling or rich-running issues often associated with venting to the atmosphere during gear changes or deceleration.

• Specifically engineered for use with HKS SSQV Kit 71007-AM015
• Retains factory-style closed-loop operation for improved low-speed drivability
• Includes durable recirculation hose and vehicle-specific fittings
• Direct bolt-on compatibility with existing HKS SSQV hardware
• Manufacturer Part Number: 71002-AM001

The HKS Stainless Steel (SUS) C-Clip and O-Ring Set provides the essential hardware required to properly mount and seal an HKS blow-off valve to its adapter flange. Designed for a precision fit, this genuine HKS hardware kit ensures a leak-free connection, preventing boost loss and maintaining consistent turbocharger performance.

Constructed for durability and high-pressure environments, the kit includes a high-tension stainless steel snap ring and a resilient rubber O-ring. These components are critical for both new installations and routine maintenance where the original seals may have become brittle or lost tension over time.

• Manufacturer Part Number: 71002-AK016
• Material: High-tension Stainless Steel (SUS) C-clip
• Material: High-temperature resistant rubber O-ring
• Application: Securely seals and retains HKS BOV to mounting flanges
• Includes: (1) C-Clip and (1) O-Ring

The HKS 60mm Weld-on Aluminum Blow-Off Valve (BOV) Flange (MPN: 71002-AK013) is a precision-engineered component for fabricators building custom forced induction setups. This flange allows for the secure, leak-free mounting of a 60mm HKS blow-off valve directly onto aluminum intercooler or charge piping.

Machined from high-grade aluminum, this flange is designed specifically for TIG welding, providing the durability and heat resistance required for high-boost applications. Its profile ensures a clean weld and a stable mechanical interface, making it an essential part for custom turbo and supercharger projects where off-the-shelf piping kits do not meet the build specifications.

• Manufacturer Part Number: 71002-AK013
• Material: Machined Aluminum
• Mounting Style: Weld-on
• Valve Compatibility: 60mm BOV units
• Application: For use with aluminum intake and intercooler piping

Mount your HKS Super SQV Blow Off Valve to a custom induction setup with this precision-machined HKS 50mm Steel Weld-On BOV Flange. This adapter is specifically designed for fabricators and tuners who need to integrate an HKS SSQV valve into steel or stainless steel charge piping where a vehicle-specific kit is not applicable.

Constructed from high-grade steel, this flange ensures a robust and reliable weld joint capable of holding high boost pressures without the risk of leaks or structural failure. Its 50mm base provides the correct clearance and seating for the HKS snap-ring mounting system, allowing for a secure, airtight seal for your bypass valve.

• Material: High-strength steel construction for reliable welding
• Mounting Style: Weld-on for custom pipe fabrication
• Compatibility: Designed for HKS Super SQV (Super Sequential Blow Off Valve) series
• Size: 50mm diameter base
• Manufacturer Part Number: 71002-AK011

Convert your HKS Super Sequential Blow Off Valve (SSQV) from an atmospheric "vent-to-atmosphere" setup to a recirculating configuration with this genuine HKS 29mm Recirculation Fitting. This component replaces the standard triple-fin insert on the discharge side of the valve, allowing excess boost pressure to be routed back into the intake tract.

Using a recirculation fitting is essential for vehicles equipped with Mass Air Flow (MAF) sensors. By returning metered air to the intake system rather than venting it to the atmosphere, you maintain accurate air/fuel ratios and prevent common performance issues such as stalling, stumbling, or rich conditions during shifts. This fitting is precision-engineered for a secure seal and consistent pressure management.

• Compatible with HKS Super Sequential Blow Off Valve (SSQV) series
• 29mm outer diameter outlet designed for 29mm ID hose
• Converts atmospheric discharge to recirculating bypass
• Helps maintain idle stability on MAF-equipped engines
• Genuine HKS part number: 71002-AK004

The HKS SSQV Recirculation Fitting (71002-AK003) allows you to convert your HKS Super Sequential Blow-Off Valve from an atmospheric vent to a recirculating setup. By replacing the standard triple-fin discharge insert, this fitting enables metered air to be routed back into the intake tract before the turbocharger inlet.

This is a critical component for vehicles equipped with a Mass Air Flow (MAF) sensor. In these systems, venting air to the atmosphere that has already been measured by the ECU can lead to rich-running conditions, stumbling, or stalling between shifts. This fitting ensures the intake charge remains within the system for smoother drivability and better engine response.

• Manufacturer Part Number: 71002-AK003
• Designed for use with 19mm (3/4") ID recirculation hoses
• Compatible with HKS SSQV, SSQV2, SSQV3, and SSQV4 series valves
• Precision-engineered for a secure, leak-free fit within the blow-off valve housing
• Replaces the standard atmospheric discharge fin

Fits the 2008 Subaru Impreza WRX STi.

The HKS SSQV Recirculation Kit (71002-AF002) allows owners to convert their HKS Super SQV blow-off valve from an atmospheric vent to a recirculating setup. By redirecting the discharged air back into the intake stream, this kit ensures that metered air remains within the system, preventing the rich-stumble conditions and erratic idling often associated with mass air flow (MAF) sensor-equipped vehicles.

• Specifically designed for use with HKS Super SQV blow-off valve kits (including 71007-AF013)
• Ensures proper engine management by keeping metered air in the intake tract
• Essential for maintaining smooth drivability and stable idle on MAF-equipped Subaru models
• Includes vehicle-specific fittings and high-quality hoses for a secure installation
• Manufacturer Part Number: 71002-AF002

The HKS Gold SSQV Insert (Fin Type) allows for precise customization of the signature discharge sound produced by your HKS Super Sequential Blow Off Valve. This gold-finished component is a direct replacement for the standard triple-fin insert, engineered to modify the frequency and tone of compressed air release for a unique acoustic profile.

Constructed to the exact tolerances required by the SSQV series, this insert is both an aesthetic engine bay upgrade and a functional tuning part. It easily swaps into the front of the valve housing, allowing owners to differentiate their vehicle's sound without affecting the blow-off valve's primary relief functions.

• Finish: Gold
• Design: Triple-Fin Type
• Application: Tuning accessory for HKS Super Sequential Blow Off Valves (SSQV)
• Function: High-frequency sound modification
• Manufacturer Part Number: 1422-SA002

Customize the discharge tone of your HKS Super Sequential Blow Off Valve with the HKS Purple SSQV Round Insert (MPN: 1422-SA001). This genuine HKS accessory is designed to replace the standard triple-fin insert, allowing you to alter the high-frequency sound produced during pressure discharge.

Constructed for a precise fit within the SSQV housing, this round insert modifies the airflow path to create a distinct audible profile. It is a simple, bolt-in component for enthusiasts looking to personalize the bypass sound of their turbocharged induction system without affecting valve performance or reliability.

• Genuine HKS accessory
• Alters SSQV discharge sound frequency
• Design: Round port
• Color: Purple
• Manufacturer Part Number: 1422-SA001
• Compatible with HKS Super Sequential Blow Off Valve (SSQV) series

Maintain the precision response of your HKS Super Sequential Blow Off Valve (SSQV) with the HKS SQV Replacement Air Filter (MPN 1410-SA008). This specialized foam element is a critical component for the vacuum signal line, designed to prevent dust, oil vapors, and other contaminants from entering the valve's internal diaphragm and piston housing.

Over time, exposure to engine bay heat and blow-by can degrade the original filter, leading to potential leaks or sluggish valve operation. Replacing a clogged or worn filter ensures that your SSQV receives a clean, unobstructed pressure signal for reliable venting under boost. This is a genuine HKS replacement part, engineered to the exact tolerances of the SQV series.

• Manufacturer Part Number: 1410-SA008
• Compatibility: Fits all generations of HKS SQV and Super SQV (SSQV) blow-off valves
• Primary Function: Filters vacuum/pressure lines to protect internal valve components
• Construction: High-porosity filtration foam for minimal signal restriction
• Direct Replacement: Fits into the factory inline filter housing

The GReddy Aluminum Weld-On BOV Flange is a critical component for custom forced induction projects requiring a reliable mounting point for blow-off valves. Engineered for use with aluminum intercooler and charge piping, this flange provides a stable, leak-free base for high-performance turbocharger or supercharger setups.

• High-quality aluminum construction designed for optimal weldability and durability
• Allows for custom positioning of the BOV on any aluminum intake or intercooler pipe
• Specifically engineered for compatibility with GReddy blow-off valves
• Essential for fabrication when upgrading from factory plastic or rubber piping to custom metal pipes
• Manufacturer Part Number: 11900451

The GReddy 32mm Recirculation Hose Attachment allows you to convert your GReddy blow-off valve from an open-atmosphere vent to a closed recirculating system. By routing discharged air back into the intake tract before the turbocharger, this adapter helps maintain stable idling and prevents rich-stumble conditions common in vehicles utilizing a Mass Air Flow (MAF) sensor.

• Compatibility: Fits GReddy Type FV, Type RZ, and Type RS blow-off valves.
• Outlet Size: 32mm (approx. 1.25 inches) outer diameter for standard recirculation hoses.
• Material: Precision-machined aluminum for a secure, leak-free fit.
• Installation: Replaces the standard discharge funnel/bell on the valve body.
• Manufacturer Part Number: 11900442

The GFB 6705 is a precision-cut replacement mounting gasket designed specifically for older-generation Response series blow-off valves. This gasket provides a critical, airtight seal between the BOV flange and the mounting surface to prevent boost leaks and ensure consistent manifold pressure.

This component is a direct replacement for the gaskets found on GFB T9003 and T9503 valves. Note that newer iterations of these valves utilize an O-ring seal integrated directly into the flange; if your valve features an O-ring groove, this gasket is not required.

• Manufacturer Part Number: 6705
• Compatibility: GFB Response BOV models T9003 and T9503
• Application: Replacement for older-style flat gasket flanges
• Material: High-temperature gasket composite

Maintain peak performance and prevent boost leaks with this genuine GFB (Go Fast Bits) replacement flange gasket. This gasket is designed specifically for older-generation Response series blow-off valves that utilize a traditional gasket-sealed mounting surface.

• Genuine GFB replacement component
• Manufacturer Part Number: 6704
• Compatible with Response BOV models: T9001, T9002, T9501, and T9502
• Ensures a secure, airtight seal between the valve and the flange

Note: Newer GFB valves feature an O-ring integrated into the flange and do not require this paper-style gasket. Please inspect your valve's mounting surface to ensure compatibility before installation.

The GFB Standard Replacement Trumpet (MPN 6110) is a precision-machined component designed to restore or maintain the signature atmospheric venting profile of your GFB blow-off valve. This trumpet serves as a direct replacement for the original unit, ensuring the correct acoustic characteristics and airflow performance intended for your forced induction system.

• Direct replacement for lost or damaged standard atmospheric trumpets
• Precision-machined threads for a secure, leak-free seat on the valve body
• Engineered to maintain proper flow dynamics for GFB BOVs
• Constructed from durable materials to withstand high engine bay heat
• Manufacturer Part Number: 6110

The GFB Screw-In Plug (MPN 6107) is designed to block off ports on Go Fast Bits bypass or blow-off valves. This precision-machined component allows for quick configuration changes, whether you are switching between atmospheric venting and recirculating setups or sealing an unused outlet.

• Screws directly into GFB trumpet or plumb-back outlets
• Compatible with GFB valves manufactured after 2003
• Ensures a secure, leak-free seal for consistent boost pressure
• Manufacturer Part Number: 6107

Please note: This plug is not compatible with GFB valves manufactured prior to 2003.

Convert your GFB Mach 2 recirculating bypass valve into a full atmospheric blow-off valve with the Mach 2 Atmosphere Conversion Kit (MPN: 5933). This kit is designed for enthusiasts who want the signature venting sound without purchasing an entirely new valve assembly.

By swapping the factory-style recirculating components with this kit, you can transform the T9103 or T9133 models from a silent diverter to an atmospheric BOV. The kit includes the necessary hardware to ensure proper pressure management and reliable performance after the conversion.

• Specifically designed for GFB Mach 2 series valves T9103 and T9133
• Converts recirculating operation to atmospheric venting
• Includes atmospheric trumpet, heavier spring, and recirculating port plug
• High-quality construction for precise fitment and durability
• Manufacturer Part Number: 5933

The GFB Mach 2 Atmosphere Conversion Kit (MPN 5930) allows you to modify your existing recirculating Mach 2 bypass valve to a vent-to-atmosphere configuration. This kit replaces the recirculating base, providing the signature blow-off sound while maintaining the performance and response of your GFB TMS (Turbo Management System) valve.

Precision-engineered for a perfect seal, this conversion kit is a direct bolt-on solution for specific Mach 2 valves. It is the ideal choice for enthusiasts looking to change the acoustic profile of their forced induction system without the expense of replacing the entire valve assembly.

• Converts recirculating Mach 2 valves to atmosphere-venting (blow-off) operation
• Precision-machined components ensure a leak-free seal and reliable performance
• Direct fit for Mach 2 series part numbers: T9100, T9101, T9102, T9104, T9105, and T9135
• Maintains GFB's high standards for throttle response and boost pressure retention
• Manufacturer Part Number: 5930

The GFB Mach 2 Atmosphere Conversion Kit (MPN 5925) allows you to easily convert your existing Go Fast Bits T9107 or T9125 recirculating diverter valve into an atmospheric blow-off valve. This kit is designed for enthusiasts looking to achieve the signature atmospheric venting sound without purchasing an entirely new valve assembly.

By replacing the standard recirculating outlet with the precision-machined atmospheric trumpet included in this kit, you can change the venting characteristics of your Mach 2 valve in minutes. The components are manufactured to the same exacting tolerances as the original valves to ensure a perfect fit and leak-free operation.

• Compatibility: Specifically designed to fit GFB Mach 2 models T9107 and T9125.
• Function: Converts recirculating operation to vent-to-atmosphere (VTA).
• Installation: Simple bolt-on design requiring basic hand tools.
• Construction: High-quality machined materials for durability and performance.
• Manufacturer Part Number: 5925