AEM 21-735WB Cold Air Intake

AEM Cold Air Intake System

5.0

( 1 review)

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 21-735WB fits some Subaru Impreza WRX STi, Subaru WRX, and Subaru WRX STI models. See vehicle applications for details.

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.

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AEM 21-735WB Product Specifications

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
Air Filter Height	9 in (229 mm)
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