HKS 02-07 WRX/ 04-07 STi SSQV4 BOV Kit

Enhance your 2002 - 2007 WRX or 2004 - 2007 STi with the high - performance HKS SSQV4 BOV Kit. It boosts engine performance and gives your car a sporty sound.

To use this HKS SSQV4 BOV Kit, first make sure your engine is turned off. Install the kit according to the included instructions. Usually, it involves attaching the bov to the appropriate intake manifold. When driving, the bov will automatically release excess boost pressure. For maintenance, regularly check the connections to ensure they are tight. Clean the bov every few months to prevent dirt build - up. Also, avoid using harsh chemicals on it. If you notice any unusual noises or performance issues, have it inspected by a professional.