Use this cold air intake when you're looking to enhance your Subaru Impreza or Crosstrek's driving performance, whether it's for daily commuting or weekend adventures. It's perfect for car enthusiasts who want an easy - to - install upgrade for their vehicles. The air intake tube is made of mandrel - bent aluminum with a gunmetal gray powder - coated finish. The AEM Dryflow air filter is tapered cylinder - shaped and can go up to 100,000 miles before cleaning, depending on driving conditions.