17-19 Legacy 2.5L Cold Air Intake, AEM 21-856C
17-19 Legacy 2.5L Cold Air Intake, AEM 21-856C
Regular price
$419.99 USD
Regular price
$519.99 USD
Sale price
$419.99 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
AEM 21-856C is a cold-air intake for 2017–2019 Subaru Legacy models with the 2.5L four-cylinder engine. It is not the 3.6R six-cylinder application. Match the engine and model year before ordering.
- Gunmetal aluminum tube and heat shield.
- Washable, oil-free Dryflow filter; replacement filter 21-2027DK.
- Retains the original mass-airflow sensor and breather connection.
- AEM currently lists this part as not legal for California street use. Confirm the approval requirements for your intended vehicle and jurisdiction.
Before you order: fitment and what to plan
An aftermarket air intake replaces the factory airbox and tube with a freer-flowing filter and pipe.
Fitment notes
- Engine: check the engine size listed against your vehicle's VIN or under-hood label.
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentPlan the whole job
- Filter cleaning kit. Reusable filters need cleaning and oiling.
More for your car: Cold Air Intakes · Fuel & air intake
Questions about air intake
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
Is it legal in my state?
Some states require emissions-approved intakes. Check the listing and local rules.
Where do specs and warranty details come from?
From the manufacturer. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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