■FEATURE
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 |