It has a strong presence from a unique blow-off valve sound produced from a sequential valve structure.Â

open to the atmosphereÂ

with suction return kit
| Mounted Blow-off Valve | Revving (Inside of the car) | Revving (Outside of the car) | During driving (Inside of the car) | During driving (Outside of the car) |
| HKS SUPER SQV IV | ![]() | ![]() | ![]() | ![]() |
| NORMAL | ![]() | ![]() | ![]() | ![]() |
$50.00
$45.00
$549.00
$1,699.00
$699.00
$4,399.00
$132.00




