ADD W1 Blow Off Valve - BOV Universal

  Patent pending   Universal CNC machined all-aluminum ADD W1 blow off valve designed.  When engines run high boost pressure it's possible that the turbo compressor wheel may shatter under the pressure. The solution is to install a blow-off valve, which relieves excess compressed air in the intake system & intercooler when the throttle is released. It prevents mechanical damage to the intercooler & turbo pipework, prolongs turbocharger life & prevents excessive turbo lag that would be caused by the compressor shaft stalling   Blow Off Valve VS. Blow Off Valve Pro The main difference between the Blow off Valve Stander and the Blow off Valve Pro is that the Stander is designed for use with a smaller engine, while the Pro is designed for use with a larger engine. The standard is the more Affordable of the two. The pro is more durable to handle higher boost and an aftermarket tuned engine with more powerful sound, better response even at a low boost. Blow Off valve Pro, will p