Air and Fuel› Air Cleaners, Filters, Intakes and Components

K&N Engineering

K&N Round Tapered Universal Air Filter 3.5in Flange ID / 5.75in Base OD / 3.75in Top OD / 6in H

$282.45

SKU: K001 RF-1031

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The K&N RF-1031 is a universal clamp-on air filter. It features a round tapered shape with a 3.5-inch flange inside diameter and a 5.75-inch base outside diameter. The filter material is cotton gauze.

Fitment

Fitment Guaranteed

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on fit.

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 RF-1031

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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