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 33-2487 high-flow washable replacement air filter with red oiled cotton media and black frame.

$42.39

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K&N High-Flow washable oiled cotton drop-in replacement air filter for 2012-2026 Toyota vehicles.

$55.19

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K&N 33-2484 High-Flow oiled cotton replacement air filter for 2012-2016 Porsche 911 models.

$126.39

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K&N 33-2483 high-flow replacement air filter with red oiled cotton media and black rubber sealing frame.

$55.19

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K&N 33-2481 high-flow replacement air filter with red oiled cotton media for 2013-2016 Hyundai Genesis Coupe 3.8L.

$55.19

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K&N 33-2480 high-flow oiled cotton replacement air filter for Mazda 3, 6, and CX-5

$55.19

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Rectangular K&N replacement panel air filter with pleated red oiled cotton media and a black flexible frame.

$55.19

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K&N 33-2478 high-flow air filter with oiled cotton media for 2013-2018 Nissan Altima 2.5L

$55.19

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K&N 33-2477 High-Flow Replacement Air Filter showing red oiled cotton media and black flexible frame.

$55.19

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K&N 33-2476 replacement air filter featuring red pleated cotton media and a durable black flexible frame.

$55.19

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K&N 33-2475 high-flow oiled cotton replacement air filter with red pleated media for Chevrolet Impala

$55.19

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K&N 33-2473 replacement air filter featuring red pleated cotton media and a black durable frame.

$55.19

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K&N 33-2472 high-flow air filter featuring red pleated oiled cotton media and a black flexible frame.

$55.19

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K&N 33-2471 High-Flow washable air filter with red pleated cotton media for 2012-2017 Fiat 500.

$50.39

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K&N 33-2470 washable high-flow replacement air filter with red oiled cotton media and black frame.

$55.19

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K&N 33-2468 high-flow washable replacement air filter featuring red oiled cotton gauze in a black frame

$55.19

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K&N 33-2466 replacement air filter with red pleated oiled cotton media and a black flexible sealing frame.

$100.79

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K&N 33-2465 High-Flow washable replacement air filter for 2011-2018 BMW X3 and X4 models.

$67.19

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K&N 33-2461 high-flow replacement air filter with layered oiled cotton media in a black frame

$55.19

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K&N 33-2460 high-flow replacement air filter featuring red pleated oiled cotton media in a black rectangular frame.

$55.19

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Red oiled cotton gauze air filter with a black flexible frame for 2011-2016 Honda CR-Z.

$55.19

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K&N 33-2458 high-flow drop-in replacement air filter for 2011-2015 BMW 135i, 335i, and X1 3.0L models.

$67.19

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K&N 33-2457 high-flow oiled cotton replacement panel air filter for Dodge and Jeep models

$55.19

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K&N 33-2456 High-Flow washable oiled cotton replacement air filter for Nissan and Infiniti 5.6L V8 engines.

$55.19

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K&N 33-2454 washable oiled cotton drop-in air filter for Acura MDX and ZDX 3.7L

$55.19

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K&N 33-2453 High-Flow Drop-In Air Filter with oiled cotton media and red perimeter gasket

$55.19

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K&N 33-2452 drop-in air filter featuring pleated red oiled cotton media and a flexible black sealing frame.

$55.19

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K&N 33-2451 high-flow washable replacement air filter with red oiled cotton media and black frame.

$50.39

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K&N 33-2449 high-flow oiled cotton replacement panel air filter for 2010-2014 BMW X5 and X6

$126.39

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K&N 33-2448 replacement air filter featuring red pleated oiled cotton media and a black flexible frame.

$50.39

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Can’t Find the Part You Need?

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