AEM Cold Air Intake Systems are designed to produce horsepower and torque gains. They replace the restrictive factory airbox and air filter to give you better performance and better engine sound.
AEM Cold Air Intake Systems are designed to produce horsepower and torque gains. They replace the restrictive factory airbox and air filter to give you better performance and better engine sound. AEM cold air intakes relocate the air filter outside the engine compartment so cooler air can be fed into your engine. Cooler air carries more oxygen, which translates into a more intense explosion in the combustion chamber for more horsepower and torque. AEM Cold Air Intakes include an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration, and performance while allowing easy oil-free cleaning. They include a mandrel-bent aluminum intake tube and high quality hardware designed to reduce restriction and reduce intake temperature. The design and components of each intake system vary so consult the installation instructions for more information on the contents of each part number.
  • 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

Application Summary:

Year Make/Model
2015-2016 Subaru WRX
2015-2017 Subaru WRX STI
Attributes
Air Box Included No
Air Filter Color Red
Air Filter Element Washable Yes
Air Filter Height 9 in (229 mm)
Air Filter Material Non-woven Synthetic
Air Filter Oulet Width 2.750 in. (70mm)
Air Filter Outlet Shape Round
Air Filter Outlet Width 2.75 in (70 mm)
Air Filter Washable Yes
Alternate Part Number AEM-21-735WB
ASIN B00QKW6TM0
California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
CARB EO Number D-670-24
Clamp Color Natural
Clamp Color/Finish Natural
Clamp Material Stainless Steel
Clamp Quantity 3
Clamp Style Regular
Clamps Included 3
Country of Origin (Primary) US
Coupler Color Not Applicable
Coupler Color/Finish Not Applicable
Couplers Included None
Emission Code Legal US
Estimated Horse Power Gain 32 HP @ 5400 RPM
Estimated Horsepower Gain 32 HP @ 5400 RPM
Filter Color Red
Filter Material Non-woven Synthetic
Harmonized Tariff Code (Schedule B) 8421310000
Hazardous Material Code N
Horse Power Increase 32 HP
Intake Pipe Color Wrinkle Black
Intake Pipe Color / Finish Wrinkle Black
Intake Pipe Inlet Length 19 in (483 mm)
Intake Pipe Inlet Shape Round
Intake Pipe Inlet Width 2.75 in (70 mm)
Intake Pipe Material Aluminum
Intake Pipe Outlet Length 19 in (483 mm)
Intake Pipe Outlet Shape Round
Intake Pipe Outlet Width 2.75 in (70 mm)
Intake Pipe Ports All intake tube ports needed for the specified applications are included
Item Weight 8.900 lbs. (4 kg)
Life Cycle Status Code Available to Order
Mass Air Flow Sensor Adapter Included Yes
Mass Air Flow Sensor Included Mass Air Flow Sensor Adapter Included When Required
Mounting Hardware Included Yes
NAFTA Preference Criterion Code B
Oil Included No, No Filter Oil Required
Package Material Paperboard
Package Type Box
Product Box Height 12.250 in. (311mm)
Product Box Length 20.250 in. (514mm)
Product Box Width 12.250 in. (311mm)
Product Style AEM Cold Air Intake System
Replacement Filter 21-2029DK
RPM 5400
SDR Required Flag N
Standard Pack 1
Street Legal In All US States Not legal for sale or use in California on any pollution controlled motor vehicle. NOTE: Some specific models and years may be legal in CA. Check the CARB status on your parts at knfilters.com.
System Type Cold Air Induction
TUV Approved (Europe) No
Warranty Limited Lifetime
Weight 8.9 lb (4 kg)
GTIN 00024844355010

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