| When you are purchasing parts and putting | | | | pressure, or the valve reaches its threshold, and |
| together a turbo system, the blow off valve is a | | | | then pushes the excess pressure out of the |
| fairly important part of the system. Not only does | | | | valve. |
| it release all the excess pressure built up in the | | | | HKS created a design with the "pull" valve |
| intercooler piping after the intake manifold closes, | | | | system, found on the HKS SSQV BOV, which |
| but a turbo BOV also creates a unique BOV | | | | uses and alters the pressure to pull open a dual |
| sound, which can make your car sound like it's | | | | valve system. The primary valve is the smaller |
| quality tuned and unique. The HKS Super SQV | | | | valve, which opens up during smaller pressure |
| (SSQV) turbo blow off valve is a BOV every | | | | conditions. When heavier pressure conditions are |
| turbo tuner should consider purchasing, as this | | | | encountered, the SSQV BOV will open the larger, |
| specific BOV has many benefits to its unique | | | | secondary valve, which allows all the excess |
| construction. | | | | pressure out during heavier and faster driving |
| In 1994, HKS released the first blow off valve, | | | | conditions. |
| the SSQV BOV, containing the "pull" valve design, | | | | Having the pull valve system allows the HKS |
| which was unlike the usual "push" valved blow off | | | | SSQV BOV to prevent leaking, even when the |
| valves turbo tuners have always used. The "push" | | | | car is idling or under extreme conditions. This |
| blow off valves have been the traditional type of | | | | system also allows a cleaner, more solid BOV |
| turbo BOV used and they allow pressure to build | | | | sound, as it releases all the pressure with a fresh |
| up until the valve spring cannot hold anymore | | | | tuned sound, once the valve is pulled open. |