K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 2015-2018 AUDI (A4, Quattro, A5, Sportback, Q5 II, RS4, RS5, S4, S5, FAW A4, Allroad), E-0646
K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 2015-2018 AUDI (A4, Quattro, A5, Sportback, Q5 II, RS4, RS5, S4, S5, FAW A4, Allroad), E-0646
Hero image 0 of K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 2015-2018 AUDI (A4, Quattro, A5, Sportback, Q5 II, RS4, RS5, S4, S5, FAW A4, Allroad), E-0646, 0 of 9

K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 2015-2018 AUDI (A4, Quattro, A5, Sportback, Q5 II, RS4, RS5, S4, S5, FAW A4, Allroad), E-0646

4.6 stars out of 10 reviews
(4.6)|
10 ratings
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Key item features

  • Enhanced Performance: Engineered to increase horsepower and acceleration, this air filter improves overall engine performance for various Audi models.
  • Robust Construction: Manufactured with durable, premium materials and state-of-the-art methods, ensuring a long-lasting product life.
  • Superior Filtration: Features four layers of premium cotton gauze treated with a tacking agent to effectively block and trap harmful contaminants.
  • Extended Maintenance: Requires cleaning only once every 75,000 miles under normal highway driving conditions, equivalent to approximately five years of use.
  • Effortless Installation: Pre-oiled and designed for easy drop-in installation into the factory air box, offering quick performance gains.
  • Reduced Environmental Impact: Reusable design helps decrease waste by diverting disposable air filters and their packaging from landfills.
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Current price is $83.99
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  • Free 90-day returns

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Columbus, 43215
Arrives by Wed, Feb 25
Sold and shipped by Walmart.com
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4.6 out of 5 stars
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Showing 1-3 of 10 reviews

Feb 14, 2026
Donald
5 out of 5 stars review

Verified Purchase

Perfect fit for Audi SQ5

Perfect fit for the SQ5. It was installed in about 10 minutes. The cost of this is equal to two throw away filters from the dealer, and it lasts the life of the car. Great product.

Incentivized Review
Helpful?5D7JGGMZ04YO707516767
Nov 9, 2025
Jeff
Sold and shipped byK&N
5 out of 5 stars review

Verified Purchase

K%26N for an Audi

Sealed with sealant grease

Incentivized Review
Helpful?5D7JGGMZ04YO707516767
Sep 24, 2025
Radhika
Sold and shipped byAdvance Cycle Parts
5 out of 5 stars review

Verified Purchase

Permanent engine air filter

Awesome air filter

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Helpful?5D7JGGMZ04YO707516767