2018 Subaru Legacy Performance Air Intake Kits

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Keep Your 2018 Subaru Legacy in Top Shape with a Quality Performance Air Intake Kit

When it comes to maintaining or upgrading your 2018 Subaru Legacy, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Performance Air Intake Kit for your Legacy. We currently carry a top Performance Air Intake Kit in stock that is built to last. Whether you’re replacing a damaged Performance Air Intake Kit or looking to upgrade, our selection for the 2018 Subaru Legacy ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Performance Air Filters to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2018 Subaru Legacy running smoothly and looking great.

Essential 2018 Subaru Legacy Performance Air Intake Kits

aFe POWER – Takeda Intake System (Part No.TR-4303P)

Takeda Intake System

from

$409.99
Takeda Intake System

aFe POWER – Takeda Momentum Cold Air Intake System with Pro DRY S Filter (Part No.56-70063D)

Takeda Momentum Cold Air Intake System with Pro DRY S Filter

from

$387.99
This 6″ tall 360-degree radial flow air filter features a 3.5″ flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience. Its progressive layering provides great filtration efficiency and dust holding capacity, while not requiring the use of oils. Its inverted top makes for more filter surface area, resulting in longer service intervals. This media is best suited for street use. The sealed XLPE polymer housing features a rugged design, as well as a clear sight window, allowing for hassle-free filter inspection. aFe POWER’s patent pending filter-to-housing interface eliminates the use of an overabundance of parts, further simplifying the installation process. The housing utilizes the factory air inlet, using no additional hardware. This system features a high quality, computer-designed, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit. Its XLPE material is heat soak resistant and extremely durable. Stainless-steel clamps are included for strength, and a premium silicone coupling allows for ample flexibility. Takeda intakes are designed with fewer parts for a fast and easy installation.
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AEM Induction – Cold Air Intake System (Part No.21-856C)

Cold Air Intake System

from

$419.99
The AEM 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 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 air intake tube is constructed from mandrel-bent aluminum featuring a durable gunmetal gray powder coated finish. This air intake system was developed to accommodate the engine’s factory emissions control devices including the mass airflow sensor And breather tube. 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 vehicle applications to determine the legal status for each vehicle.

Product Features:
  • Product might not be available in all states due to local laws.
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aFe POWER – Takeda Momentum Cold Air Intake System with Pro 5R Filter (Part No.56-70063R)

Takeda Momentum Cold Air Intake System with Pro 5R Filter

from

$376.99
This 6″ tall 360-degree radial flow air filter features a 3.5″ flange and our pre-oiled Pro 5R media with five layers of progressively finer cotton gauze media for maximum performance. It provides your engine with the largest amount of high-flowing air, usually resulting in the highest power gains out of all our filter media options. Its inverted bullet-style top makes for more filter surface area, resulting in longer service intervals. This media is perfect for street and/or track use. The sealed XLPE polymer housing features a rugged design, as well as a clear sight window, allowing for hassle-free filter inspection. aFe POWER’s patent pending filter-to-housing interface eliminates the use of an overabundance of parts, further simplifying the installation process. The housing utilizes the factory air inlet, using no additional hardware. This system features a high quality, computer-designed, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit. Its XLPE material is heat soak resistant and extremely durable. Stainless-steel clamps are included for strength, and a premium silicone coupling allows for ample flexibility. Takeda intakes are designed with fewer parts for a fast and easy installation.
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Most Popular Engine Cold Air Intake for 2018 Subaru Legacies

Enhance your 2018 Subaru Legacy with this popular Engine Cold Air Intake we have in stock, for $419.99.

AEM Induction – Cold Air Intake System (Part No.21-856C)

Cold Air Intake System

from

$419.99
The AEM 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 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 air intake tube is constructed from mandrel-bent aluminum featuring a durable gunmetal gray powder coated finish. This air intake system was developed to accommodate the engine’s factory emissions control devices including the mass airflow sensor And breather tube. 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 vehicle applications to determine the legal status for each vehicle.

Product Features:
  • Product might not be available in all states due to local laws.
See More

FAQs for 2018 Subaru Legacy Performance Air Intake Kits

What’s the price range for 2018 Subaru Legacy Performance Air Intake Kits?

We currently have just one Performance Air Intake Kits for the 2018 Subaru Legacy in stock: Cold Air Intake System and it costs $419.99.

Does Advance Auto Parts sell Performance Air Intake Kits for other Subaru Legacy model years?

Yes, we carry Performance Air Intake Kits for 12 model years of Subaru Legacies between 2005 and 2025. The following model years are the most popular for Performance Air Intake Kit purchases: 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, and 2019.

Does Advance Auto Parts sell Performance Air Intake Kits for any other 2018 Subaru models?

What types of Performance Air Intake Kits do you sell for my 2018 Subaru Legacy?

We currently have just 1 Performance Air Intake Kit in stock for a 2018 Subaru Legacy, and as of 3/1/26, it is an Engine Cold Air Intake.

Can I get help with 2018 Subaru Legacy Performance Air Intake Kit orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Subaru Performance Air Intake Kits and more.

What is your return policy for Subaru Legacy Performance Air Intake Kits?

Advance Auto Parts keeps returns simple. For new Subaru Legacy Performance Air Intake Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.