Unlock the Boxer Growl. Protect Your MAF Sensor. The factory paper filter is a bottleneck. It’s designed for cost-efficiency, not flow. For the Impreza and Forester Turbo platforms, the Fuji Racing High-Flow Filter is the definitive "Drop-In" upgrade. Engineered from multi-layer woven cotton, this filter provides a significant increase in surface area and airflow while maintaining the superior filtration required for a reliable daily or track build. Whether you're running a stock setup or a mildly modified EJ20/EJ25, this is the fastest way to sharpen your throttle response and hear your turbo breathe. The Roo Racing Difference: ✅ Direct OEM Fitment: Drops straight into your factory airbox in minutes. No cutting, no zip-ties, no "custom" fabrication. ✅ MAF-Safe Engineering: We recommend running this filter dry (un-oiled) for cars still utilizing the Airflow Sensor (MAF) to prevent sensor contamination and "ghost" idling issues. ✅ Sustainable Performance: Fully washable and reusable. This is the last air filter your Subaru will ever need. ✅ Superior Filtration: High-density woven cotton captures particulates that "cheap" mesh filters miss. Technical Specifications: Material: Multi-layer woven cotton for maximum CFM (Cubic Feet per Minute) flow. Maintenance: Washable with standard filter cleaner. Installation: 5-minute "Drop-In" replacement for the standard panel filter. Confirmed Fitment: Designed specifically for the "Golden Era" of Subaru Turbo platforms: Subaru Impreza Turbo / WRX / STi: 1992 – 2007 (GC, GD, GG Chassis) Subaru Forester Turbo / GT / XT: 1996 – 2008 (SF, SG Chassis) Specialist Note: If you are still running a factory Air Flow Meter (MAF), avoid using oil additives after washing. Running the filter "dry" ensures your sensor stays clean, keeping your AFRs (Air-Fuel Ratios) stable and your engine healthy. Stop suffocating your turbo. Let it breathe with Fuji Racing.
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