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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
alignment tool and pilot bearing (if needed)
reduce stress concentrations
Air enters the system through an oversized oval AEM Dryflow synthetic washable air filter for outstanding air flow
such as the Infinity ECU
This AEM air intake system replaces both the left and right factory air box
AEM 15-17 Subaru WRX STi 2.5L H4 - Cold Air Intake System - Wrinkle Black 5x120 alignment tool and pilot bearingAEM 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
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