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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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HKS
HKS 08-11 STi SSQV4 BOV kit
$434.50
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits 2008-2011 Subaru Impreza WRX STI models.
The HKS Super SQV4 (Sequential Quality Valve) utilizes a unique sequential valve structure and a differential pressure control system to manage boost across a broad operating range. Unlike standard push-type blow-off valves that can leak under high boost, the SSQV4 features a pull-type relief design that remains closed under pressure, ensuring stable operation and preventing compressor surge during sudden throttle lifts. This vehicle-specific kit is engineered to bolt directly to the factory intercooler location for a secure, leak-free installation.
- Dual-stage sequential valve improves throttle response across all boost levels
- Pull-type valve design prevents boost leaks even at high pressure
- High-rigidity die-cast aluminum body with a silver finish for long-term durability
- Triple-fin design produces the iconic HKS high-frequency discharge sound
- Complete kit includes SSQV4 valve, vehicle-specific adapter flange, O-ring, and C-clip
- Manufacturer Part Number: 71008-AF013
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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HKS 08-11 STi SSQV4 BOV kit
$434.50
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
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$434.50
$434.50
$434.50
Fits 2008-2011 Subaru Impreza WRX STI models.
The HKS Super SQV4 (Sequential Quality Valve) utilizes a unique sequential valve structure and a differential pressure control system to manage boost across a broad operating range. Unlike standard push-type blow-off valves that can leak under high boost, the SSQV4 features a pull-type relief design that remains closed under pressure, ensuring stable operation and preventing compressor surge during sudden throttle lifts. This vehicle-specific kit is engineered to bolt directly to the factory intercooler location for a secure, leak-free installation.
- Dual-stage sequential valve improves throttle response across all boost levels
- Pull-type valve design prevents boost leaks even at high pressure
- High-rigidity die-cast aluminum body with a silver finish for long-term durability
- Triple-fin design produces the iconic HKS high-frequency discharge sound
- Complete kit includes SSQV4 valve, vehicle-specific adapter flange, O-ring, and C-clip
- Manufacturer Part Number: 71008-AF013
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