SKU: 1994 | UPC: 690092107307
Vibrant MAF Sensor Adapter Plate for 2002-2007 Subaru Impreza WRX STI use w/ 3in Inlet I.D. filters only
Vibrant Performance mass air flow sensor adapters connect aftermarket 3-inch inlet cone style air filters directly to the MAF sensor in Subaru intake systems. This adapter plate fits 2002-2007 Impreza WRX and STI models equipped with Hitachi oval MAF sensors. It delivers precise alignment and secure mounting for unrestricted airflow and reliable sensor readings during performance driving.
Key Features
- T6061 Aluminum Construction: Lightweight yet durable material resists corrosion and withstands high-heat engine bay conditions for long-term reliability.
- CNC Machined Precision: Exact tolerances ensure seamless fit between cone filter and MAF sensor without airflow restrictions or sensor misalignment.
- 3-Inch Inlet Compatibility: Designed exclusively for filters with 3-inch inner diameter to maintain optimal air velocity and volume into the MAF.
- Subaru-Specific Design: Matches the oval Hitachi MAF housing on WRX and STI models for bolt-on installation without modifications.
- Anodized Finish: Hard anodized coating provides scratch resistance and reduces wear from vibration and debris exposure.
Product Notes
- Compatible only with 3-inch inlet ID cone filters. larger or smaller filters require different adapters.
- Inspect MAF sensor O-ring during install and replace if damaged for accurate readings.
- Compact design ships flat in protective foam sleeve to prevent bending.
Installation Notes
- Professional installation recommended.
- Remove stock airbox and MAF housing. adapter bolts in place using existing hardware.
- No additional clamps needed. uses stock MAF gasket and M6 bolts for secure mounting.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2004-2008 | Subaru | Forester | XT |
| 2005-2009 | Subaru | Legacy | GT |
| 2005-2009 | Subaru | Outback | XT |
Why Choose Vibrant Performance?
- Established leader in intake and exhaust components for import performance vehicles.
- High-strength materials and rigorous testing deliver consistent results on track and street.
- Engineered in the USA with focus on direct-fit solutions for popular turbo models.
Frequently Asked Questions
- Q: Will this adapter fit 2008+ Subaru WRX models?
A: No, it fits only 2002-2007 Impreza WRX/STI and select 2004-2009 turbo Forester/Legacy/Outback with Hitachi oval MAF sensors. - Q: What material is the adapter made from?
A: Billet T6061 aluminum with hard black anodized finish for strength and heat resistance. - Q: Does installation require tuning or new hardware?
A: Bolt-on install uses factory hardware. no ECU tune needed unless changing full intake setup.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: 6 x 6 x 1.5 inches protective box
- Weight: 0.25 lbs





Reviews
There are no reviews yet.