AEM 14-16 Kia Forte 5 Koup L4-1.6L Cold Air Intake

Brand: AEM

Product Code: 21-811C

Availability:In stock

  • Increased horsepower
  • Tuned and dyno-tested to improve acceleration and engine sound
  • Low restriction aluminum tubing
  • 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


The AEM 21-811C fits some Kia Forte Koup, and Kia Forte5 models.

The AEM 21-811C Performance Cold Air Intake System produces horsepower and torque gains by improving air flow and drawing in cooler, denser air. It all begins with a cone shaped AEM Dryflow filter which uses a synthetic filter media for outstanding air flow, filtration and performance. By relocating the air filter lower and to the front of the car, cooler and denser air can be accessed. Oiling the filter is not necessary and it can be used up to 100,000 miles before cleaning is needed (depending on driving conditions). Running up to the throttle body is the intake tube which is mandrel-bent to reduce airflow restriction at the bends. It is made of aluminum and is powder coated gray for lasting performance. The restrictive factory air pipe and air box are replaced with this free-flowing air intake system. The factory PCV valve and recirculation hose mount directly on the intake tube. 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 21-811C vehicle applications to determine the legal status for each vehicle. 


AEM 21-811C Product Specifications
Estimated Horsepower Gain 7 HP @ 3800 RPM
Replacement Filter 21-2157DK
Air Filter Color Red
Air Filter Material Non-woven Synthetic
Air Filter Outlet Shape Round
Clamps Included 3
Clamp Material Stainless Steel
Clamp Style Worm Gear
Couplers Included 1
Product Style AEM Cold Air Intake System
Intake Pipe Color / Finish Gunmetal Gray
Intake Pipe Material Aluminum
Street Legal In All US States No
TUV Approved (Europe) No
Weight 9.5 lb (4.3 kg)
Product Box Height 10.6 in (269 mm)
Product Box Length 35.4 in (899 mm)
Product Box Width 13.3 in (338 mm)
California Restricted Not legal for sale or use in California
Mounting Hardware Included Yes
Warranty Limited Lifetime