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}K&N® 2008 Audi RS4 - Air Filter, 8 Cyl., 4.2L Engine
Your Vehicle Fit Details
Highlights
WARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Vehicle Fitment Information
Product Information
K&N ENGINE AIR FILTER
K&N performance High-Flow Air Filters are engineered to improve engine performance by increasing airflow up to 50%. Unlike disposable paper filters which must be frequently replaced, K&N Air Filters are washable, reusable, and engineered to last for the life of your vehicle. K&N air filters are backed by our famous 10-Year/Million Mile Limited Warranty, and they provide an environmentally friendly way to reduce landfill waste by avoiding disposable filters. Engineered to fit easily into your factory air box, installation can be completed in a matter of minutes! K&N develops and tests each product on the world’s toughest race tracks, so we can bring the highest level of performance to your daily driving. Join the millions of customers who have saved money and improved vehicle performance by upgrading to K&N filtration.
- Engineered power: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration; clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%
- Easy installation: Pre-oiled and ready to drop into your factory air box; one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains
- Saves money: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters
- Eco-friendly: Using a washable, reusable product helps reduce replacement waste; K&N filter will last longer than 10 disposable filters
- World class protection: Pushing the limits of engine protection by protecting your engine from harmful contaminants
- Low-maintenance design: 50,000 miles before your first cleaning under normal highway driving conditions
- High quality: Made in America
- Race tested: The Official Air Filter of NASCAR; trusted on the racetrack—made for your vehicle
Started in 1969, K&N has garnered a reputation for engineering the world’s finest filtration products for cars, trucks, SUVs, motorcycles, race vehicles, commercial vehicles and anything in-between.