HKS SSQV4 BOV w/ Return Kit Black – 2008-2021 Subaru STI

The Black Edition SQV4 Sequential BOV w/Return Kit will purge boost quickly on the Subaru WRX/STI.

RallySport Direct proudly carries quality performance products from the pioneers of the sport compact industry, HKS. They are one of the pioneers of aftermarket performance products!

This is the HKS Black Edition SQV4 Sequential BOV. This is the grandfather of blow-off valves with its flagship sound that remains to be one of the most effective blow-off valves in the aftermarket.

DETAILS:

• Black Edition
• Pull-type sequential valve structure
• The new differential pressure control system allows for stable operating ranges from low to high-boost pressures
• Includes vacuum line filter
• Includes circlip, T-fittings, and zip ties

NOTE:

• Includes return kit
• The return kit will allow the user to convert the SQV4 into full recirculation