Boost Controllers / Blow-Off Valve Adapter Kits / 

Blow-Off Valves

The TurboXS Blow Off Valve - Type S  is designed to release compressor pressure surge caused by changing gears or backing off the throttle quickly.  This valve is an extremely important part of any turbo system allowing quicker turbo spool up between gear changes and greatly increasing the life of a turbocharger.  The BOV Type S is recommended for small to medium sized turbo charged engines running up to 15 psi boost.  Each valve is individually tested to hold  30 lbs. of boost.  Sizing of valve is based on flow and not boost pressure.The Blow Off Valve - Type S Kit includes: TurboXS Blow Off Valve - Type S , Mild Steel Zinc Plated Weld-on Adaptor, Aluminum Weld-on Adaptor, Spring Adjusting Packer Washers, Installation Guide.

For custom turbo applications, the TurboXS Blow Off Valve Type S is installed directly into the connecting pipe running between the turbo and the throttle body.  We also have adapter kits for some stock turbocharged cars. The valve vents to atmosphere at sound pressure levels in excess of 106 dB when measured 3 feet from the valve. The unit is fully adjustable by adding adjusting packer washers included with the kit.  The high grade aircraft aluminum body is anodized bright purple to provide outstanding looks and superior corrosion resistance.

Designed for high performance, the TurboXS Blow Off Valve - Type H relieves compressor pressure surge caused by changing gears or backing off the throttle quickly. This valve is an extremely important part of any turbo system allowing quicker turbo spool up between gear changes and greatly increasing the life of a turbocharger. The BOV Type H provides greater venting flow than the Type S and is designed for turbo charged engines running 10 to 25 psi boost.  Each valve is individually tested to hold  30 lbs. of boost.  Sizing of valve is based on flow and not boost pressure. The Blow Off Valve - Type H Kit includes : TurboXS Blow Off Valve - Type H, Mild Steel Zinc Plated Weld-on Adaptor, Aluminum Weld-on Adaptor, Spring Adjusting Packer Washers, Installation Guide

For custom turbo applications, the TurboXS Blow Off Valve Type H is installed directly into the connecting pipe running between the turbo and the throttle body housing.  We have vehicle specific adapter kits for most OEM turbocharged cars as well as adapters to mount our valve on some of our competitors flanges. These can be found on the adapter page. The valve vents to atmosphere at sound pressure levels in excess of 110 db making it one of the loudest on the market. It is fully adjustable by adding packer washers to make sure the valve stays closed at idle. If you want to follow the crowd, go buy one of our competitors valves.  If you want a Blow Off Valve that looks, sounds and performs like no other blow off valve available in the market today, get the TurboXS Blow Off Valve Type H.

Designed for high performance and maximum noise, the TurboXS Blow Off Valve - Type H-RFL relieves compressor pressure surge caused by changing gears or backing off the throttle quickly.  The BOV Type H-RFL  is designed for turbo charged engines running 10 to 25 psi boost. The Blow Off Valve - Type H Kit includes : TurboXS Blow Off Valve - Type H, Mild Steel Zinc Plated Weld-on Adaptor, Aluminum Weld-on Adaptor, Spring Adjusting Packer Washers, Installation Guide

For custom turbo applications, the TurboXS Blow Off Valve Type H is installed directly into the connecting pipe running between the turbo and the throttle body housing.  We have vehicle specific adapter kits for most OEM turbocharged cars as well as adapters to mount our valve on some of our competitors flanges on our adapter page. NOTE:  This valve is Really, Really Loud! Do not get this valve unless you want to be noticed!

Designed for performance, the TurboXS Racing Bypass Valve Type H34 relieves the pressure surge caused by changing gears or backing off the throttle quickly.  Because the valve’s exhaust port can easily be plumbed back into the car’s air intake, the valve is ideal for Mass Air Flow (MAF) metered cars where venting to atmosphere can create a "rich" air/fuel ratio.  The Racing Bypass Valve Type H was specifically designed with high boost applications in mind: Solid brass piston – no flimsy diaphragms to break, Stainless Steel spring, Adjustable spring tension, Flows 35% more than our BOV Type H The Racing Bypass Valve Type H is recommended for cars running 10 psi to 25 psi of boost.  When properly installed and adjusted, there is practically no limit to the maximum boost pressure this unit can hold. The Racing Bypass Valve Type H34 Kit Includes: TurboXS Racing Bypass Valve, 34mm OD Anodized Aluminum Hose Adapter, Spring Adjusting Packer Washers, 2mm Hex Key, Installation Guide. Easy Installation: With the included 34mm hose adapter, the TurboXS Racing Bypass Valve is designed for "bolt-on" replacement of many late-model stock OEM bypass valves including Mitsubishi Eclipse/Talon and 3000GT/Stealth, Nissan 300ZX TT, and Subaru WRX.  For more details on complete vehicle specific installation kits, as well as mild steel and aluminum weld-on adapters for custom installation directly onto intercooler piping, see the adapter page

Turbo XS Racing Bypass Valve Type 25 was specifically designed to replace the 1 inch (25mm) Bosch Bypass Valve.  The RBV 25 relieves the pressure surge caused by changing gears or backing off the throttle quickly.  The valve's spring tension is adjustable, making it ideal for chipped 1.8T's running high boost levels. The Racing Bypass Valve Type 25 Kit Includes: TurboXS Racing Bypass Valve 25, Spring Adjusting Packer Washers, 4mm to 6mm hose coupler, 6 inches of 6mm silicon vacuum hose, Installation Guide

Boost Controllers / Blow-Off Valve Adapter Kits