AEM C.A.S. Cold Air Intake System 2017-2018 Subaru Legacy H4 2.5L F/I

Upgrade your intake tract with the AEM C.A.S. Cold Air Intake System designed for the 2017-2018 Subaru Legacy H4 2.5L F/I. By replacing the restrictive factory airbox and inlet path, this system helps improve airflow for stronger throttle response and potential horsepower and torque gains, while maintaining excellent filtration for everyday driving in NZ and AU conditions.

Key Features

• Increased airflow: Freer-breathing intake design to support performance improvements.
• AEM Dryflow filter: Oversized synthetic, washable filter engineered for high flow and strong filtration.
• Heat shield: Helps isolate the filter from engine bay heat for cooler intake temps.
• Quality construction: Mandrel-bent aluminium intake tube with a gunmetal grey powder coat finish.

Vehicle Fitment

2017-2018 Subaru Legacy H4 2.5L F/I

Fitment disclaimer: Check your vehicle details before ordering.

Benefits

• Sharper response: Smoother acceleration feel with improved intake flow.
• Reusable filtration: Washable filter can reduce long-term replacement costs.
• More consistent performance: Heat shielding helps support cooler, denser intake air.

Why Buy From Us

• Trusted auto parts store: Serving NZ & AU customers.
• Genuine brands: Quality AEM Induction products.
• Helpful support: Assistance with product questions before you buy.