K&N E-0646 High-Flow Washable Drop-In Replacement Air Filter for Select Audi 2015-2025 (L4-1.4L)

Fits select 2015-2025 Audi A4, A5, Q5, RS5, S4, S5, and SQ5 models (L4-1.4L).

The K&N E-0646 High-Flow Air Filter is engineered to improve engine performance by increasing airflow up to 50% compared to traditional disposable paper filters. Featuring K&N's signature oiled cotton media, this filter captures harmful contaminants while maintaining low restriction for better throttle response and acceleration. This drop-in replacement is designed to fit perfectly into your factory air box, making it a simple performance upgrade that requires no special tools for installation.

Built for the long haul, this washable and reusable filter eliminates the need for frequent replacements, reducing waste and long-term maintenance costs. Every K&N performance filter is backed by a 10-Year/Million Mile Limited Warranty, ensuring reliable filtration for the life of your vehicle.

• Designed to increase horsepower and acceleration
• Washable and reusable oiled cotton gauze media
• Direct drop-in replacement for factory air box
• Fits OEM housing without modifications
• Backed by K&N 10-Year/Million Mile Limited Warranty
• Manufacturer Part Number: E-0646