- For high-HP modified '02-'07 WRX/STI & '04-'09 Legacy GT that need a larger MAF housing.
- 73mm inside MAF diameter is good for use up to 400-450 awhp.
- Fits onto the stock corrugated MAF elbow as well as aftermarket silicone ones.
- AEM DryFlow oil-free filter is now standard on this intake.
- Works with almost all FMIC setups.
- Fully compatible with the Cobb Intake Air Box (see pic) and the Mode Racing Air Box.
- Also works with Subaru SPT Intake Heat Shield on the WRX/STI.
- Designed, Tested, and Manufactured in the USA
- Absolutely positively requires engine management and tuning!