K&N Replacement Air Filter for Audi S1 (8X)
- Designed to boost horsepower and rate of acceleration
- Can be cleaned and used again
- High air flow 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®
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles, you simply remove the disposable air filter and replace it with a K&N. See the applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.
Learn how to clean your K&N Air Filter below:
Picture for illustration purposes only - actual product may differ from shown.
AvailabilityMost of our K&N products are stocked and ship within 1 working day. If the product is not in stock with us, expect an additional 5 working days on top of this. To make sure you’re not hit with unexpected delays, please email us at firstname.lastname@example.org
Shipping and Returns
All car parts are sent via a tracked delivery service or courier, depending on the size and weight of the shipment.
Shipping to the UK can vary depending on manufacturer, but we advise customers to expect delivery of their order within 3-5 working days.
If you aren't happy with your order for whatever reason, you are able to make a return within 30 days of purchase for a full refund. To find out more about our returns policy, visit our returns page
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