AEM Induction 21-836WR - AEM 2018 Subaru WRX STI 2.5L H4 F/I Cold Air Intake System - Wrinkle Red

AEM Induction - 21-836WR

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AEM s Performance Cold Air Intake Systems are tuned and dyno-tested to give your engine more power and acceleration by replacing the restrictive factory air filter; air intake tubing and air box assembly.

The AEM 21-836WR Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing. This air intake system was designed, tuned and dyno-tested to fit specific Subaru WRX STI models. Air enters the system through an oversized AEM Dryflow synthetic washable air filter for outstanding air flow, filtration and performance. The air filter is located in the original air box space and is protected by a heat shield which is designed to reduce intake air temperature and increase horsepower. The intake tubing is constructed from mandrel-bent aluminum featuring a durable textured red powder coated finish. This air intake system was developed to accommodate the engine's factory emissions control devices including the mass air flow sensor. The tapered cylinder shaped AEM Dryflow air filter is made from an oil-free, synthetic filter media that can be used for up to 100,000 miles before cleaning is needed (depending on driving conditions). The air intake system is easy to install with commonly available tools and it is backed by AEM's Lifetime Limited Warranty. 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 21-836WR vehicle applications to determine the legal status for each vehicle.

• Increased Horsepower
• Tuned And DynoTested To Improve Acceleration And Engine Sound
• Low Restriction Aluminum Tubing
• Easy To Install Using Commonly Available Tools
• Air Filter Lasts Up To 100 000 Miles BF Cleaning Is Required
• Washable And Reusable Oil Free Filter Media
• AEM Lifetime Limited Warranty