K&N Air Filter For Audi C7 RS6 & RS7 4.0TFSI E-0664

K&N Replacement Air Filter For Audi RS6 & RS7 4.0TFSI (C7)

Sale price£74.99GBP

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SKU: E-0664

Enhance the performance of your Audi C7 RS6 & RS7 4.0TFSI with the K&N Replacement Air Filter. Designed for optimal airflow and filtration, this high-quality filter boosts engine efficiency and power. Enjoy improved throttle response and acceleration while maintaining superior engine protection. Easy to install and built to last, the K&N Replacement Air Filter is a must-have upgrade for Audi enthusiasts seeking peak performance from their vehicle.


  • Designed to increase horsepower & torque for the BMW B58 engine
  • Washable & Reusable
  • This K&N air filter lasts the lifetime of your vehicle.
  • Designed to boost horsepower and rate of acceleration
  • Can be cleaned and used again
  • High airflow with exceptional filtration
  • Lasts up to 50,000 miles before cleaning is required depending on driving conditions
  • Works with original equipment manufacturer vehicle electronics
  • Emissions legal in all 50 US states
  • Will NOT void vehicle warranty
  • Million Mile Limited Warranty®


  • Audi C7 RS6 Avant (2013-2018)
  • Audi C7 RS7 Sportback (2013-2018)


K&N Million mile warranty