SKU: 71008-AF012 | UPC: 4957266265086
HKS Super SQV4 Blow Off Valve – 2008-2014 Subaru WRX
The HKS Super SQV4 Blow Off Valve replaces the factory unit on 2008-2014 Subaru WRX models for reliable boost management. It maintains pressure stability from low to high boost levels while producing a distinctive high-pitched whistle on shifts. This direct-fit design includes all hardware for straightforward installation on Impreza WRX turbo systems.
Key Features
- Pull-Type Sequential Valve: Provides consistent venting action for smooth throttle response and reduced compressor surge
- Differential Pressure Control: Delivers stable performance across low boost to over 30 psi without leaking or fluttering
- Vacuum Line Filter: Prevents dirt and debris from entering the valve for long-term reliability
- Complete Installation Kit: Supplies clip, T-fittings, zip ties, hose and clamps for plug-and-play setup
- Factory-Match Flange: Bolts directly to stock intercooler pipe eliminating custom fabrication
Product Notes
- Direct bolt-on replacement maintains stock appearance under the hood
- Aluminum construction resists corrosion and withstands high heat cycles
- Packaged in protective box to prevent shipping damage
Installation Notes
- Professional installation recommended.
- Disconnect battery and relieve boost pressure before removal of stock BOV
- Compatible with stock turbo and intercooler piping using provided flange
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008-2014 | Subaru | Impreza | WRX |
| 2011-2014 | Subaru | WRX | Base |
| 2011-2014 | Subaru | WRX | Limited |
Why Choose HKS?
- Developed over 20 years of turbocharger venting technology
- Engineered for precise boost release in high-performance applications
- Backed by motorsport testing for durability in daily and track use
Frequently Asked Questions
- Q: Will this fit 2008-2014 Subaru WRX STI models?
A: Designed specifically for WRX turbo setups. STI requires separate HKS part due to different piping - Q: What materials are used in construction?
A: Die-cast aluminum body with stainless steel springs and fluorosilicone diaphragm for heat and chemical resistance - Q: What is the warranty coverage?
A: HKS offers a 1-year limited warranty against manufacturing defects when installed correctly
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Original HKS box measuring 8 x 6 x 6 inches
- Weight: 1.3 lbs
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