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AEM Induction

AEM COLD AIR INTAKE SYSTEM For 15-17 Subaru WRX STI 2.5L - 21-735WB

Regular price $349.99
Regular price Sale price $349.99
Sale
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

Installation PDF

Installation Instruction Sheet

Dyno Chart - 2015 Subaru WRX STi 2.5L - 32HP Increase

 


Estimated Horsepower Gain 32 HP @ 5400 RPM
Replacement Filter 21-2029DK
Air Filter Color Red
Air Filter Material Non-woven Synthetic
Air Filter Outlet Shape Round
Clamps Included 3
Clamp Material Stainless Steel
Clamp Style Regular
Couplers Included None
Product Style AEM Cold Air Intake System
Intake Pipe Color / Finish Wrinkle Black
Intake Pipe Material Aluminum
CARB EO Number D-670-24
Street Legal In All US States See Vehicle Applications
TUV Approved (Europe) No
Weight 8.9 lb (4 kg)
Product Box Height 12.25 in (311 mm)
Product Box Length 20.25 in (514 mm)
Product Box Width 12.25 in (311 mm)
Mounting Hardware Included Yes
Warranty Limited Lifetime

 

Supported Vehicles

2017 Subaru WRX STI 2.5L H4 Gas

All Models

Street Legal in All US States: No

2016 Subaru WRX STI 2.5L H4 Gas

All Models

Street Legal in All US States: Yes

CARB EO Number:

D-670-24

2016 Subaru WRX STI 2.5L H4 Gas

All Models

Street Legal in All US States: Yes

CARB EO Number:

D-670-24

2015 Subaru WRX STI 2.5L H4 Gas

All Models

Street Legal in All US States: Yes

CARB EO Number:

D-670-24

2015 Subaru WRX STI 2.5L H4 Gas

All Models

Street Legal in All US States: Yes

CARB EO Number:

D-670-24

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