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

The AEM Induction 21-836WR Cold Air Intake System is a performance upgrade designed to improve airflow and engine response for the 2018 Subaru WRX STI with a 2.5L engine. Constructed to replace the restrictive factory air filter and housing, this intake allows the engine to breathe more freely, resulting in increased horsepower and torque. Engineered for optimal airflow, it enhances throttle response and overall efficiency while maintaining durability and quality standards. The system features a high-flow air filter and a custom intake tube, ensuring maximum performance gains and reliable operation under demanding conditions.

This cold air intake is a universal fitment tailored specifically for the 2018 Subaru WRX STI 2.5L models. It serves as a direct replacement for the stock intake, providing an easy bolt-on installation for enthusiasts seeking improved performance on street or track. The kit includes the intake tube, high-flow filter, and necessary hardware for installation. Designed for daily driving, spirited street use, or track days, this intake system helps maximize airflow and engine output without compromising reliability or drivability.