Perrin 2-Piece Replacement Filter for Perrin Intakes 3.125 inch ID Subaru WRX / STI 02-07 | X-PSP-INT-208

This Perrin 2 - piece replacement filter is a perfect fit for 2002 - 2007 Subaru WRX and 2004 - 2007 Subaru STI. It's a direct substitute for most Subaru PERRIN Performance intake systems, even the Big MAF intakes, and can work with any intake system that takes a 3.125 - inch filter. The filter has a unique two - piece design. You can easily remove the foam filter element for cleaning. Just run it under a faucet and ring it out by hand. Then, slip the foam sleeve back over the filter frame, and you're good to go. With a 3.125 - inch inner diameter inlet, it's an open - cell foam, oiled filter made of reticulated polyurethane foam. It also comes with a 5 - year manufacturer warranty.

Using this Perrin 2 - piece replacement filter is super easy. First, make sure your Subaru WRX (2002 - 2007) or Subaru STI (2004 - 2007) engine is turned off. Then, replace your old filter with this new one in the intake system. It fits most Perrin intake systems and others that accept a 3.125 - inch filter. When it comes to cleaning, take out the foam filter element. You can clean it by running it under a faucet. After that, just ring out the water by hand. Slip the foam sleeve back over the filter frame. As for maintenance, check the filter regularly, especially if you drive in dusty conditions. If it looks dirty, clean it right away. Remember, this filter comes with a 5 - year manufacturer warranty, so keep your purchase receipt just in case.