Air Filters - Drop In

Drop-in air filters are the simplest way to unlock better throttle response and engine sound from your vehicle. Designed to replace the restrictive factory paper filter inside the stock airbox, these high-flow panel filters require no modifications—just swap out the old filter, and you're done.

  • Direct replacement for OEM panel filter
  • Engineered for improved airflow over paper elements without compromising filtration
  • No tuning or modifications required—fits the factory airbox securely
  • Long service life, often washable and reusable for reduced waste
  • Available for a wide range of makes and models; verify fitment for your vehicle

Whether you're commuting or pushing hard on back roads, a drop-in filter provides a noticeable improvement in intake response. Shop our selection of top-quality drop-in air filters from trusted brands.

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K&N 33-3153 high-flow washable oiled cotton air filter for 2019-2026 Porsche 911 3.0L

$167.99

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K&N 33-3151 drop-in replacement air filter featuring red oiled cotton media for 2018-2020 Suzuki Jimny II.

$46.39

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K&N 33-3142 washable high-flow replacement air filter with layered oiled cotton media for Mercedes-Benz 2.0L engines.

$46.39

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K&N 33-3140 high-flow replacement air filter with red pleated oiled cotton media and black rubber frame.

$126.39

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K&N 33-3136 drop-in high-flow air filter with red pleated oiled cotton media and a black polyurethane frame.

$67.19

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K&N 33-3134 High-Flow oiled cotton replacement air filter for BMW X3 and X4

$67.19

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K&N 33-3133 drop-in high-flow air filter with red pleated cotton gauze and black flexible sealing frame.

$55.19

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K&N 33-3131 high-flow washable drop-in replacement air filter for 2020-2024 Ford and Lincoln L4-1.5L engines

$55.19

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K&N 33-3130 high-flow drop-in replacement air filter featuring red oiled cotton media for Suzuki Swift V

$55.19

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Set of two K&N 33-3128 replacement air filters with red pleated oiled cotton media and black flexible frames.

$126.39

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K&N 33-3126 replacement air filter with red oiled cotton media and black flexible frame for 2017 Suzuki Swift.

$46.39

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K&N 33-3111 drop-in air filter with pleated oiled cotton media for 2017+ Audi A3 1.5L

$46.39

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K&N 33-3096 high-flow oiled cotton drop-in replacement air filter with black rubber frame

$55.19

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K&N 33-3086 high-flow drop-in replacement air filter with red oiled cotton media and a black rubber perimeter seal.

$55.19

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K&N 33-3080 replacement high-flow air filter with red pleated oiled cotton media and black flexible frame.

$55.19

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K&N 33-3079 high-flow replacement air filter with red oiled cotton media in a rectangular panel frame.

$55.19

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K&N 33-3078 High-Flow washable oiled cotton drop-in air filter for Porsche 718 Boxster and Cayman.

$83.99

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K&N 33-3075 replacement air filter featuring red pleated oiled cotton media and a black flexible perimeter seal.

$55.19

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K&N 33-3074 drop-in high-flow air filter with oiled cotton media for 2015-2026 Jaguar and Land Rover V6 engines.

$55.19

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K&N 33-3073 red oiled cotton replacement air filter in a black rectangular frame.

$55.19

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K&N 33-3072 high-flow oiled cotton drop-in air filter for Mercedes-Benz V8 engines

$55.19

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K&N 33-3071 High-Flow replacement drop-in air filter with red pleated oiled cotton media

$46.39

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K&N 33-3068 High-Flow Replacement Air Filter with oiled cotton media for select Mercedes-Benz models.

$55.19

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K&N 33-3065 drop-in replacement high-flow air filter with red pleated oiled cotton media and black frame.

$55.19

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K&N 33-3062 washable high-flow drop-in replacement air filter for 2015-2017 Toyota Land Cruiser 2.8L

$55.19

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K&N high-flow oiled cotton replacement air filter 33-3059 for 2015-2017 Nissan NP300 L4-2.3L

$55.19

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K&N 33-3051 washable high-flow oiled cotton replacement air filter for 2015-2021 BMW models.

$55.19

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K&N 33-3045 rectangular drop-in replacement air filter with pleated red oiled cotton media and black urethane frame.

$55.19

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K&N 33-3037 high-flow oiled cotton drop-in replacement air filter for Audi A1

$55.19

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K&N 33-3036 washable high-flow oiled cotton drop-in air filter for 2015-2026 Audi and Volkswagen vehicles

$55.19

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Can’t Find the Part You Need?

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