With its huge capacity the APS blow off valve gives you the ultimate in turbocharger durability and improved turbo response particularly during gear changes. A mammoth 1.375" (34 mm) internal bore size delivers huge capacity and at full piston...

ARC blow off valve sounds and looks awesome. Allows your machine to holdboost better then stock leaky bovs. You will need to purchase a weld on flangekit, to mount this kit. Tech Tip: This BOV vents to the atmosphere, if you run on your...

ARC blow off valve sounds and looks awesome. Allows your machine to holdboost better then stock leaky bovs. You will need to purchase a weld on flangekit, to mount this kit. Tech Tip: This BOV vents to the atmosphere, if you run on your...

The EVO MR BOV is constructed out of Aluminum and comes with stiffer spring then the stock EVO BOV. The EVO MRBOV is capable of holding more boost than the plastic BOV commonly found in 2G DSM and EVO that often leaks during high boost...

GFB Stealth FX Dual Port vents to the intake & vents to the atmosphere with its dual port action. This blow off valve is ideal if you want the loud swoosh without your car stalling out. By utilizing a unique air diverting system, you can control...

New Page 1 Created to be the most reliable blow off valve system available, theType-RS's state-of-the-art design allows for greater performance in a compactsize. Improved response and increased pressure are achieved through...

Created to be the most reliable blow off valve system available, the Type-RS's state-of-the-art design allows for greater performance in a compact size. Improved response and increased pressure are achieved through carefully selected spring rates...

Designed to release excess compressor pressure caused by changing gears orbacking off the throttle quickly, while allowing for maximum flow by venting allpressure back into the intake system. For the serious enthusiast not wanting toworry about...

Designed for performance, the TurboXS Racing Bypass Valve Type H 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,...

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...