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"This Sequential Blow Off Valve makes a great unique shrill, whistling sound instead of the usual boring "whoosh". Not only does it make great sound, but it also looks good, and is suitable for all horsepower applications. The way the valve in these SQV's works is different to most other valves on the market. The boost running through your piping when your car is under load actually holds this valve shut. So the more boost you run the tighter this valve is shut, resulting in no boost leaks. Other "push" type blow off valves that operate off a spring can often leak under high boost applications, especially at old age. This is the main feature that makes the Sequential Blow Off Valve so popular in all Race, Drag, Drift and even Show applications thanks to its looks.

$249 for BOV. $65 for R33/34 adaptor. Deduct 10% if a member of the Autoworx Club."

Does this make the same sound as a HKS SSQ? are they as good? and noob question, but are there different types of (atmosphereic) BOV'S that stall as much?

thank you

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ya i got one

>< if u give it a slight rev 'trying to climb a steep drive' u can stall it

but they sound g00d

So basically as long as you keep your revs up more than usual while uphill, it's fine?

And my question: is the sound the same as the HKS SSQ BOV? thanks

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https://www.sau.com.au/forums/topic/203375-sequential-bov/#findComment-3606882
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