K&N High-Flow Drop-In Air Filter — Fits 2015-2018 Audi A4 L4-1.4L, 2018-2020 A5/RS5, 2021 Q5

SKU: KNNE-0646
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Unleash Performance with K&N High-Flow Drop-In Air Filter

Experience a noticeable increase in horsepower and acceleration with the K&N High-Flow Drop-In Air Filter. Engineered with K&N's signature layered, oiled cotton media, this filter is designed to improve airflow while effectively capturing contaminants, ensuring your engine breathes cleaner and performs better. It's a simple yet powerful upgrade for your Audi.

Features & Vehicle Compatibility:

  • Guaranteed Horsepower Gain: Optimized design to deliver increased power and throttle response.
  • Washable & Reusable: Enjoy a lifetime of performance; simply clean and re-oil for continued use.
  • Easy Drop-In Installation: Replaces your factory air filter directly, requiring no modifications to your airbox.
  • Extensive Audi Fitment: Compatible with:
    • 2015-2018 Audi A4 (L4-1.4L, various trims including Premium, Premium Plus, Prestige, Titanium)
    • 2017-2022, 2024 Audi A4 Allroad
    • 2018-2020 Audi A5 Quattro, A5 Sportback, RS5
    • 2018-2021 Audi Q5, SQ5
    • Also fits various Audi S4, S5, S5 Sportback models within these years.
  • K&N 10-Year/Million Mile Limited Warranty: Backed by K&N's industry-leading warranty for peace of mind.

Upgrade your Audi's air filtration system today with K&N for superior airflow and lasting performance. Available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2015 Audi A4 Prestige
2015-2019 Audi A4 Premium
2015-2019 Audi A4 Premium Plus
2017-2019 Audi A4 Prestige
2019 Audi A4 Titanium
2015 Audi A4 Quattro Prestige
2015-2024 Audi A4 Quattro Premium
2015-2024 Audi A4 Quattro Premium Plus
2017-2024 Audi A4 Quattro Prestige
2019-2020 Audi A4 Quattro Ultra sport
2017-2022 Audi A4 allroad Premium
2017-2022 Audi A4 allroad Premium Plus
2017-2022 Audi A4 allroad Prestige
2024 Audi A4 allroad Premium
2024 Audi A4 allroad Prestige
2018-2024 Audi A5 Quattro Premium Plus
2018-2024 Audi A5 Quattro Prestige
2018-2024 Audi A5 Sportback Premium
2018-2024 Audi A5 Sportback Premium Plus
2018-2024 Audi A5 Sportback Prestige
2018 Audi Q5 Premium
2018 Audi Q5 Prestige
2021-2024 Audi Q5 Premium
2021-2024 Audi Q5 Premium Plus
2021-2024 Audi Q5 Prestige
2022 Audi Q5 Sportback Premium
2022 Audi Q5 Sportback Premium Plus
2022 Audi Q5 Sportback Prestige
2018-2019 Audi RS5 Base
2021-2024 Audi RS5 Base
2016 Audi S4 Prestige
2018 Audi S4 Premium Plus
2018 Audi S4 Prestige
2018 Audi S5 Premium Plus
2018 Audi S5 Prestige
2021-2024 Audi S5 Premium
2021-2024 Audi S5 Premium Plus
2021-2024 Audi S5 Prestige
2018-2024 Audi SQ5 Prestige
2019-2024 Audi SQ5 Premium
2021-2024 Audi SQ5 Sportback Premium
2021-2024 Audi SQ5 Sportback Premium Plus
2021-2024 Audi SQ5 Sportback Prestige

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Unleash Performance with K&N High-Flow Drop-In Air Filter

Experience a noticeable increase in horsepower and acceleration with the K&N High-Flow Drop-In Air Filter. Engineered with K&N's signature layered, oiled cotton media, this filter is designed to improve airflow while effectively capturing contaminants, ensuring your engine breathes cleaner and performs better. It's a simple yet powerful upgrade for your Audi.

Features & Vehicle Compatibility:

  • Guaranteed Horsepower Gain: Optimized design to deliver increased power and throttle response.
  • Washable & Reusable: Enjoy a lifetime of performance; simply clean and re-oil for continued use.
  • Easy Drop-In Installation: Replaces your factory air filter directly, requiring no modifications to your airbox.
  • Extensive Audi Fitment: Compatible with:
    • 2015-2018 Audi A4 (L4-1.4L, various trims including Premium, Premium Plus, Prestige, Titanium)
    • 2017-2022, 2024 Audi A4 Allroad
    • 2018-2020 Audi A5 Quattro, A5 Sportback, RS5
    • 2018-2021 Audi Q5, SQ5
    • Also fits various Audi S4, S5, S5 Sportback models within these years.
  • K&N 10-Year/Million Mile Limited Warranty: Backed by K&N's industry-leading warranty for peace of mind.

Upgrade your Audi's air filtration system today with K&N for superior airflow and lasting performance. Available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2015 Audi A4 Prestige
2015-2019 Audi A4 Premium
2015-2019 Audi A4 Premium Plus
2017-2019 Audi A4 Prestige
2019 Audi A4 Titanium
2015 Audi A4 Quattro Prestige
2015-2024 Audi A4 Quattro Premium
2015-2024 Audi A4 Quattro Premium Plus
2017-2024 Audi A4 Quattro Prestige
2019-2020 Audi A4 Quattro Ultra sport
2017-2022 Audi A4 allroad Premium
2017-2022 Audi A4 allroad Premium Plus
2017-2022 Audi A4 allroad Prestige
2024 Audi A4 allroad Premium
2024 Audi A4 allroad Prestige
2018-2024 Audi A5 Quattro Premium Plus
2018-2024 Audi A5 Quattro Prestige
2018-2024 Audi A5 Sportback Premium
2018-2024 Audi A5 Sportback Premium Plus
2018-2024 Audi A5 Sportback Prestige
2018 Audi Q5 Premium
2018 Audi Q5 Prestige
2021-2024 Audi Q5 Premium
2021-2024 Audi Q5 Premium Plus
2021-2024 Audi Q5 Prestige
2022 Audi Q5 Sportback Premium
2022 Audi Q5 Sportback Premium Plus
2022 Audi Q5 Sportback Prestige
2018-2019 Audi RS5 Base
2021-2024 Audi RS5 Base
2016 Audi S4 Prestige
2018 Audi S4 Premium Plus
2018 Audi S4 Prestige
2018 Audi S5 Premium Plus
2018 Audi S5 Prestige
2021-2024 Audi S5 Premium
2021-2024 Audi S5 Premium Plus
2021-2024 Audi S5 Prestige
2018-2024 Audi SQ5 Prestige
2019-2024 Audi SQ5 Premium
2021-2024 Audi SQ5 Sportback Premium
2021-2024 Audi SQ5 Sportback Premium Plus
2021-2024 Audi SQ5 Sportback Prestige

Product Details

Product Description

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Unleash Performance with K&N High-Flow Drop-In Air Filter

Experience a noticeable increase in horsepower and acceleration with the K&N High-Flow Drop-In Air Filter. Engineered with K&N's signature layered, oiled cotton media, this filter is designed to improve airflow while effectively capturing contaminants, ensuring your engine breathes cleaner and performs better. It's a simple yet powerful upgrade for your Audi.

Features & Vehicle Compatibility:

  • Guaranteed Horsepower Gain: Optimized design to deliver increased power and throttle response.
  • Washable & Reusable: Enjoy a lifetime of performance; simply clean and re-oil for continued use.
  • Easy Drop-In Installation: Replaces your factory air filter directly, requiring no modifications to your airbox.
  • Extensive Audi Fitment: Compatible with:
    • 2015-2018 Audi A4 (L4-1.4L, various trims including Premium, Premium Plus, Prestige, Titanium)
    • 2017-2022, 2024 Audi A4 Allroad
    • 2018-2020 Audi A5 Quattro, A5 Sportback, RS5
    • 2018-2021 Audi Q5, SQ5
    • Also fits various Audi S4, S5, S5 Sportback models within these years.
  • K&N 10-Year/Million Mile Limited Warranty: Backed by K&N's industry-leading warranty for peace of mind.

Upgrade your Audi's air filtration system today with K&N for superior airflow and lasting performance. Available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2015 Audi A4 Prestige
2015-2019 Audi A4 Premium
2015-2019 Audi A4 Premium Plus
2017-2019 Audi A4 Prestige
2019 Audi A4 Titanium
2015 Audi A4 Quattro Prestige
2015-2024 Audi A4 Quattro Premium
2015-2024 Audi A4 Quattro Premium Plus
2017-2024 Audi A4 Quattro Prestige
2019-2020 Audi A4 Quattro Ultra sport
2017-2022 Audi A4 allroad Premium
2017-2022 Audi A4 allroad Premium Plus
2017-2022 Audi A4 allroad Prestige
2024 Audi A4 allroad Premium
2024 Audi A4 allroad Prestige
2018-2024 Audi A5 Quattro Premium Plus
2018-2024 Audi A5 Quattro Prestige
2018-2024 Audi A5 Sportback Premium
2018-2024 Audi A5 Sportback Premium Plus
2018-2024 Audi A5 Sportback Prestige
2018 Audi Q5 Premium
2018 Audi Q5 Prestige
2021-2024 Audi Q5 Premium
2021-2024 Audi Q5 Premium Plus
2021-2024 Audi Q5 Prestige
2022 Audi Q5 Sportback Premium
2022 Audi Q5 Sportback Premium Plus
2022 Audi Q5 Sportback Prestige
2018-2019 Audi RS5 Base
2021-2024 Audi RS5 Base
2016 Audi S4 Prestige
2018 Audi S4 Premium Plus
2018 Audi S4 Prestige
2018 Audi S5 Premium Plus
2018 Audi S5 Prestige
2021-2024 Audi S5 Premium
2021-2024 Audi S5 Premium Plus
2021-2024 Audi S5 Prestige
2018-2024 Audi SQ5 Prestige
2019-2024 Audi SQ5 Premium
2021-2024 Audi SQ5 Sportback Premium
2021-2024 Audi SQ5 Sportback Premium Plus
2021-2024 Audi SQ5 Sportback Prestige

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