Blow Off Valves

HKS 90-95 MR2 3SGTE SSQV4 BOV Kit

HKS 93-96 RX7 TT SSQV4 BOV Kit

HKS 93-98 Supra TT SSQV4 BOV Kit

HKS Super SQV 4+RETURN KIT CZ4A

Super SQV4 Kit to replace the factory air bypass valve. Three spoke fins are included in the kit, which allows the valve to release the compressed air and create unique and sharp high frequency sound. Connecting to the stock air bypass hose recirculates...

HKS Racing SQV Universal BOV

HKS 08+ Evo 10 SSQV4 BOV Kit Includes 2 Polished Aluminum Pipes

HKS 17-19 Honda L15C & L15B Super SSQV4 BOV Kit w/o Recirculation Tube

Civic Type-R FK8 Super SQV4 Sequential Blow Off Valve by HKS HKS Super SQV (Sequential Blow Off Valve) uses a unique sequential valve structure and a differential pressure control system, which allows for a broad operating range from low boost to high...

HKS Super SQV 4+RETURN KIT GRB/GRF

Here, you are looking at the HKS SQ4 Sequential BOV for the 08+ Subaru STI. 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: Pull-type sequential...

HKS 08-10 WRX / 05-06 Legacy 2.5 GT SSQV4 BOV Kit

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

The DVX range covers vehicles that can't fit or use valves like the Respons or Deceptor Pro II, and each version in the range is designed specifically for its application, ensuring the best fit and performance.This Part...

Now you can control the sound of the BOV from inside the cabin! So how much more can you do with a blow-off valve? Well, the Deceptor Pro II takes the ‘Respons’ concept even further... Adjust your BOV venting bias electronically...