HKS 08-11 STi SSQV4 BOV kit

Looking to give your STI the most iconic blow off valve sound on the market? Look no further. The HKS Super Sequential blow off valve offers a timeless sound, improved performance, and a slew of available upgrades to make sure that the valve can be suitable for all sorts of different applications. 

Ask us about available ricirc kits, or even a different fin to give your STI a more unique flutter!

• Features:
  
• Pull-type sequential valve structure
  
• New differential pressure control system for stable operating ranges from low to high-boost pressures
  
• Includes vacuum line filter
  
• Includes circlip, T-fittings, and zip ties
  
• Includes recirculation connectors
  
• Custom cast flange makes for a direct bolt on to the factory intercooler or most aftermarket intercooler options.