HKS SQV4 Blow Off Valve - S660 JW5 52325-S84-A01 Delivering the greatest-possible reliability while

Delivering the greatest-possible reliability while still maintaining high output performance

to coated vehicles

but not both

As the original plastic housings age

Specifically for Subaru Forester SG5 and SG9 models

HKS SQV4 Blow Off Valve - S660 JW5 52325-S84-A01 Delivering the greatest-possible reliability whileInstalling the SuperSQV4 allows you to clearly hear its distinctive high frequency, crisp operating sound, making it a highly noticeable presence. By replacing the fins with the included SF100, you can enjoy a different sound quality (low frequencies) than with standard fins. Using the SF100 reduces the volume compared to standard fins. It also makes a strong presence in the engine bay and adds a great dress up effect. A return kit is also included.