SKU: 70017-AF101 | UPC: 4957266274194
HKS 2008-2011 Subaru WRX STI Drop-In Super Hybrid Filter
Replace your stock air filter with the HKS Super Hybrid Filter a direct drop-in upgrade for 2008-2011 Subaru Impreza WRX and STI models. This filter uses advanced dry non-woven fabric to cut intake resistance while capturing over 95% of dust for cleaner airflow to the engine. Maintain peak performance with sustained low restriction even after extended use.
Key Features
- Dry Non-woven Fabric: Density gradient structure traps dust particles of all sizes across multiple layers reducing ventilation resistance for freer breathing.
- Low Resistance High Dust Collection: Achieves lower intake resistance than prior models while collecting more than 95% dust volume in testing to protect the engine.
- Long-term Performance: Retains low intake resistance after prolonged use preventing clogging and power loss over time.
- Drop-in Design: Exact OEM replacement fits stock airbox no modifications required for 2008-2011 WRX STI turbo engines.
- Filter Specs: 20mm thickness yellow-green polyurethane foam nylon woven fabric optimized for Subaru EJ20 EJ25 turbo applications.
Product Notes
- Due to 20mm thickness gap between upper lower frame may require pushing frame to install filter.
- Clean air delivery extends engine component life reduces maintenance needs.
- Ships in compact protective packaging dimensions 9 x 7 x 3 inches weight 0.5 lbs.
Installation Notes
- Professional installation recommended.
- Direct drop-in removes stock filter installs new HKS filter in minutes.
- Push airbox frame if needed to secure due to filter thickness no additional hardware required.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2008 | Subaru | Impreza | WRX Base |
| 2008 | Subaru | Impreza | WRX Limited |
| 2008 | Subaru | Impreza | WRX Premium |
| 2008-2011 | Subaru | Impreza | WRX STI |
| 2009-2011 | Subaru | Impreza | WRX Limited |
| 2009-2011 | Subaru | Impreza | WRX Premium |
Why Choose HKS?
- Decades of JDM tuning expertise powering championship Subaru rally cars.
- Engineered materials proven in high-performance turbo applications.
- Precise fitment tested for Subaru WRX STI models worldwide.
Frequently Asked Questions
- Q: Does this fit both WRX and STI models?
A: Yes direct drop-in for 2008-2011 Subaru Impreza WRX all trims and STI shares same airbox design. - Q: What material is the filter made from?
A: Dry non-woven fabric with polyurethane foam coarser thin layer plus nylon woven fabric yellow-green color 20mm thick. - Q: Is installation easy and what about warranty?
A: Simple 5-minute drop-in swap HKS offers manufacturer defect warranty contact retailer for details.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Secure box 9 x 7 x 3 inches
- Weight: 0.5 lbs
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