| Since 1994, both GReddy and HKS have been | | | | burst of air, which sounds exactly like air coming |
| creating aftermarket blow off valves for turbo | | | | out of an air compressor. For many people, this |
| car tuners. Although they essentially do the same | | | | just isn't "cool" since it isn't loud; however, |
| work and complete the same task, there are | | | | sometimes staying "low key" isn't exactly a bad |
| many differences between the GReddy Type RS | | | | thing, especially when you are driving on cop |
| BOV and the HKS SSQV BOV. Each have their | | | | infested streets. |
| own set of advantages and disadvantages; | | | | On the other hand, the HKS SSQV BOV can |
| however, many turbo tuners trying to decide | | | | actually be three different sounds. You can either |
| between the two blow off valves always seem | | | | have no insert, a three arm insert, or a circular |
| to be torn on which on they should buy. | | | | insert, which goes in front of the blow off valve's |
| To help out the decision of which one to buy, | | | | release port of the valve. Leaving the inserts out |
| here is how the GReddy BOV and HKS BOV | | | | allows you to have a quite sound, like the GReddy |
| compare with each other, in both the BOV sound | | | | Type RS BOV has, while putting in either insert |
| and performance. | | | | will allow you to have two very distinct and |
| BOV Sound | | | | performance BOV sounds. |
| To many people, the sound of the blow off valve | | | | BOV Performance |
| is the most important part. When they cruise | | | | The two blow off valves perform very |
| down the street, they want to be able to shift | | | | differently, even though they complete the exact |
| and have the sound effect enhance the look and | | | | same task. The GReddy Type RS BOV works |
| quality of their customizations, so having a quality | | | | with a "push" valve, which allows the air extra air |
| blow off valve sound can really catch people's | | | | pressure to simply push out of the valve, once it |
| attention and make a statement. | | | | reaches the valves threshold. This design is used |
| The GReddy Type RS BOV releases its extra air | | | | in many blow off valves; however, it does leave |
| pressure slowly, causing it to sound like air blowing. | | | | the possibility of the valve leaking and giving a |
| There really isn't a loud sound, rather a subtle | | | | slow release. |