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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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HKS
HKS is a Japanese manufacturer of premium performance parts founded in 1973 that has been at the forefront of turbocharged engine development, producing turbochargers, exhaust systems, engine management, intercoolers, and supporting performance components for some of the most iconic Japanese sports cars ever built. The brand's GT and GTIII turbocharger series, Super Sequential Blow Off Valves, and Racing Suction intake kits are recognized globally as benchmark-quality products that combine Japanese manufacturing precision with decades of motorsport development experience. HKS products are particularly well-known in the Toyota Supra, Mitsubishi Evo, Subaru STI, Nissan GT-R, and Honda NSX communities, where the brand's heritage in building the world's fastest versions of these cars has created a loyal following among enthusiasts who want the best available components. From a simple racing suction kit to a complete GT turbo with intercooler and ECU tune, HKS provides an end-to-end perf...
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