Enhance the performance of your Audi B9 RS4, RS5, S5 & S4 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.
PRODUCT SPECIFICATION
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
