SKU: SKU: HKS71008-AF006
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HKS 02-07 WRX/ 04-07 STi SSQV4 BOV Kit
Installing this product creates unique sharp & high frequency SQV sound. The SQV IV unit is designed to be located beside the engine so the appurtenance of the engine bay is improved.
The suction-return parts are included (those are necessary to pass the Japanese Automobile Inspection.).
Any engine failure such as engine stall was not occurred during the in-house testing.
| Revving in the cabin |
Stock | No sound |
S | M | L |
| Super SQV | No sound | S | M | L |
| Revving outside the cabin |
Stock | No sound | S | M | L |
| Super SQV | No sound | S | M | L |
| Driving revving window closed |
Stock | No sound | S | M | L |
| Super SQV | No sound | S | M | L |
| Driving revving window open |
Stock | No sound | S | M | L |
| Super SQV | No sound | S | M | L |