AEM Electronics

AEM 21-846C Cold Air Intake System C.A.S.


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The Cold Air Intake System will improve the acceleration and fuel economy on the Subaru Impreza.
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AEM Cold Air Intake System C.A.S. SUBARU IMPREZA L4-2.0L F/I; 2017-2019


Intake Specs:


  • Tuned and dyno-tested to improve acceleration and engine sound
  • Low restriction aluminum intake pipe
  • Intake pipe will come powder-coated a gunmetal color
  • The air filter can last up to 100,000 miles before cleaning is required
  • The air filter is washable and reusable
  • Increased horsepower
  • Improved throttle response
  • Improved torque
  • Increased intake sound
  • Includes heat shield
  • Includes new clamps
  • Note that a tune is required to utilize the maximum performance from this intake


AEM Cold Air Intake


When beginning the path of modification, one of the first modifications one may consider is a quality cold air intake system. The factory intake system is highly restrictive and leaves much room for improvement. The AEM Cold Air Intake System features a non-obstructed design that allows your engine to inhale a large volume of cool air to improve the throttle response, as well as the fuel economy. 

The AEM Cold Air Intake features a large intake filter that sends air through a smooth aluminum intake tube straight to the intake manifold with no turbulence. Expect to see improvements in the engine and throttle response, with an aggressive suction noise under acceleration. 

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