Exterior Components› Body Panels and Components

K&N Engineering

K&N 01-09 Audi A4/RS4/S4 Drop In Air Filter

$68.99

SKU: K001 33-2209

In Stock
In Stock
Ships by Jul 31
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The K&N 33-2209 is a replacement air filter element designed to increase horsepower and acceleration while providing excellent filtration. It is constructed with oiled cotton gauze and is red in color. This panel-style filter has dimensions of 10.31 inches long, 8.25 inches wide, and 1.13 inches tall.

K&N offers a Million-Mile Limited Warranty on their stock replacement air filters for street vehicles. The filter is emissions legal in all 50 US states and will not void the vehicle's warranty.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandK&N Engineering
Part NumberK001 33-2209

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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