HKS specializes in aftermarket high performance auto parts engineering and manufacturing, and perhaps is the most known aftermarket brand in the world. Formed in 1973, and named after the founders Hasegawa, Kitagawa, and Sigma, HKS began tuning engines and cars. Their a vision was to tune and manufacture engine components that surpasses OE Manufacturers.
The SQV4 uses a unique sequential valve design and pressure control system. This allows for a wide operation at a wide range of boost. It's pull type design ensures smooth, stable operation regardless of the boost pressure. The unique triple fin and the centre of the funnel gives you that powerful, unique blow-off sound.
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