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SKU: 70019-AF107 | UPC: 4957266257685
HKS Super Power Flow SPF VAG/VMG FA20 2014-2021 Subaru WRX S4
The HKS Super Power Flow SPF is a direct-fit performance air intake filter designed for the Subaru WRX S4 VAG/VMG models with FA20 turbo engine. It fits 2014 to 2021 WRX S4 sedans enhancing turbo intake sound while boosting acceleration response and low to mid-range torque for better drivability. No ECU recalibration is required making it a plug-and-play upgrade that delivers measurable gains in torque up to 398.2 N·m.
Key Features
- Turbo Sound Enhancement: Amplifies the distinctive turbo intake spool-up sound for an engaging driving experience during acceleration.
- Torque and Response Gains: Increases torque in low to mid RPM range from 383.1 N·m to 398.2 N·m with maximum output rising to 202.1 kW improving everyday drivability without peak power changes.
- No Tuning Required: Direct replacement installs without ECU adjustments preserving stock tuning and simplifying the upgrade process.
- Premium Construction: Features a green SPF filter body paired with a black anodized aluminum heat insulator etched with HKS logo for a clean engine bay look.
- Precise Fitment: Φ200-80 mm size engineered specifically for FA20 turbo intake tract ensuring seamless integration and optimal airflow.
Product Notes
- Designed as a drop-in replacement for stock air filter no additional modifications needed.
- Washable and reusable filter element maintains performance over time with proper cleaning.
- Packaged in protective box dimensions approximately 12 x 12 x 8 inches for secure transit.
Installation Notes
- Professional installation recommended.
- Direct bolt-on fit replaces OEM air filter in under 30 minutes using basic hand tools.
- Compatible with factory intake piping and hardware no adapters required.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2021 | Subaru | WRX S4 | DBA-VAG / VMG FA20 Turbo |
Why Choose HKS?
- Decades of JDM tuning expertise with proven results in Subaru turbo applications.
- High-flow filter media tested for durability and consistent performance gains.
- JDM-engineered components built to exact OEM tolerances for reliable fit and function.
Frequently Asked Questions
-
Q: Will this fit my 2016 Subaru WRX S4 VAG?
A: Yes it fits all 2014-08 to 2021-03 WRX S4 DBA-VAG and VMG models with FA20 turbo engine confirmed via HKS fitment data. -
Q: What materials are used in the SPF body?
A: Green high-flow SPF filter body with black alumite-treated aluminum heat insulator for heat resistance and style. -
Q: Does installation require tuning or warranty concerns?
A: No ECU tuning needed covered under standard HKS warranty for defects when installed correctly.
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure retail box 12 x 12 x 8 inches
- Weight: 3.5 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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