- For high-HP modified 2002-2007 Subaru WRX and STI that need a larger MAF housing.
- 73mm MAF diameter is good for up to about 400-450 awhp.
- Fits directly onto the turbo inlet (stock, silicone, APS, or AP). No MAF Elbow required.
- AEM Dryflow oil-free filter is now standard on this intake.
- Works with Perrin front-mount intercoolers and all top-mount intercoolers.
- Highest-quality construction:
- Smooth mandrel bends
- CNC-machined MAF flange.
- Beautiful welds by ASME-certified welders.
- Reinforced silicone couplers.
- Designed, Tested, and Manufactured in the USA
- Absolutely positively requires engine management and tuning!