AEM Cold Air Intake System (Gunmetal) Subaru Forester XT 2014+

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SKU 21-742C

The AEM 21-742C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Subaru Forester models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box space and is protected by a heat shield which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from mandrel-bent aluminum featuring a durable gunmetal gray powder coated finish. This air intake system was developed to accommodate the engine's factory emissions control devices including the mass air sensor. The tapered cylinder shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). The air intake system is easy to install with commonly available tools. Some AEM air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the 21-742C vehicle applications to determine the legal status for each vehicle.

  • Increased horsepower
  • Tuned and dyno-tested to improve acceleration and engine sound
  • Low restriction aluminum tubing
  • Easy to install using commonly available tools
  • Air filter lasts up to 100,000 miles before cleaning is required (depending on driving conditions)
  • Washable and reusable oil-free filter media
  • AEM Lifetime Limited Warranty


      • Estimated Horsepower Gain 23 HP @ 6600 RPM
      • Replacement Filter 21-202DK
      • Air Filter Color Red
      • Air Filter Material Non-woven Synthetic
      • Air Filter Outlet Shape Round
      • Clamps Included 1
      • Clamp Material Stainless Steel
      • Clamp Style Regular
      • Couplers Included None
      • Product Style AEM Cold Air Intake System
      • Air Filter Height 5.25 in (133 mm)
      • Intake Pipe Color / Finish Gunmetal Gray
      • Intake Pipe Material Aluminum
      • CARB EO Number D-670-24
      • Street Legal In All US States See Vehicle Applications
      • TUV Approved (Europe) No
      • Mounting Hardware Included Yes
      • Warranty Limited Lifetime


            • Subaru Forester XT 2014+

            This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to