Fitment Information: This intake fits 2002 - 2007 Subaru WRX and 2004 - 2007 Subaru STI. Features: The IAG Performance Big MAF Intake directly replaces your factory's restrictive intake system. It helps your engine breathe better, leading to more power and quicker response. The mandrel - bent aluminum piping has smooth interior walls to reduce turbulence. The filter is serviceable and reusable, but a tune is required. What's in the Box: You'll get a K&N Cone Filter, a Silicone Transition Hose with Hose Clamps, and 3' O.D. Polished Aluminum Piping with a MAF Sensor Port.

Using this intake is easy. First, remove your factory's restrictive intake system. Then, install the IAG Performance Big MAF Intake in its place. Make sure all the connections, like the silicone transition hose and hose clamps, are secure. After installation, you need to get your vehicle tuned to make the most of this intake. As for maintenance, the filter is serviceable and reusable. Check it regularly, and clean it when it gets dirty. Keep an eye on the piping for any signs of damage. If you notice any issues, contact the manufacturer or a professional mechanic right away.