Free UK Delivery on K&N orders over £10. Deliveries to other countries use KNFilters.com

Orders received between December 24th and January 2nd will not be processed until we reopen.

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  • K&N Stock Replacement Air Filters

    K&N Air Filters
    • Designed to increase horsepower and acceleration
    • Excellent filtration for long engine life
    • Lifetime air filter with K&N Million Mile Limited Warranty®
    • Simple drop-in performance
    • Available for cars, trucks, motorcycles, ATV's & more
  • K&N 57s Performance Airbox

    K&N 57s Performance Airbox
    • Complete airbox assembly
    • Adds horsepower
    • TÜV compliant
    • Easy installation
    • Reusable air filter
    • Reduces air flow restriction
    • Replaces restictive factory design
  • K&N High Performance Air Induction Kits

    K&N Air Induction Kits
    • Increases horsepower, torque, and acceleration
    • Replaces entire factory air intake system
    • K&N Million Mile Limited Warranty®
    • Easy to install performance improvement
    • Improves engine sound and looks great too
  • K&N Universal Clamp-on Air Filters

    K&N Universal Clamp-on Cone Air Filters
    • Designed to improve performance
    • Washable and reusable
    • Hundreds of sizes available
    • Round, cone and oval shapes available
    • Available to fit many types of air filtration needs
    • Search for filters by dimension
  • K&N Oil Filters

    K&N Premium Oil Filters
    • Designed for high flow rates to improve performance
    • Many oil filters feature a Wrench-Off Nut for easy removal
    • Heavy duty construction
    • Provides excellent filtration to protect your engine
    • Available for cars, trucks, motorcycles, diesel engines
  • K&N Filter Cleaning Products and Instructions

    K&N Filter Cleaning
    • Cleaner & oil available separately or together in a package to make your filter look and perform like new
    • Power Kleen Industrial Degreaser for difficult greasy clean-ups

New Products and Features

  • K&N Washable Cabin Air Filters

    Designed to replace your vehicle's stock cabin air filter with a washable and reusable version that cleans and freshens incoming air. K&N Washable Cabin Air Filters