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Aeroflow 3.00 CLAMP-ON FILTER 5 O.D, 4 HIGH K&N - RU-3700 | TrackTheory
AEROFLOW · KNRU-3700 Aeroflow · KNRU-3700 3.00 CLAMP-ON FILTER 5 O.D, 4 HIGH K&N - RU-3700 Reusable oiled gauze filtration for any 3-inch intake, carb, or throttle body.
▸ 3.00-inch clamp-on inlet fits standard intake pipe directly▸ Oiled cotton gauze flows more than paper, filters properly▸ Wash and re-oil — no replacement elements to stock▸ 5-inch OD, 4-inch height: measure clearance before ordering▸ K&N media sourced by Aeroflow, integrated clamp retention$108
incl. GST · ships AU-wide
Australian-owned. Stocking circuit racing parts, track-day essentials, and performance upgrades.
3.00 CLAMP-ON FILTER 5 O.D, 4 HIGH K&N… $107.80
Add to cart Dispatched in 1-2 business days · 30-day returns
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Add to cart Save to wishlistSpecifications
On the spec sheet. Spec sheet coming — contact support for full spec details. Fitment
Will this fit? Fitment data still being indexed for this product. Ask BuildBot for a fit-check against your vehicle.
Why this part
Cheap pod filters compromise either flow or filtration — the K&N gauze media here does neither. The clamp-on design means no adaptors on standard 3-inch pipework, and the washable element pays for itself over time. For a carburetted build, throttle body conversion, or velocity stack setup, this is a straightforward, durable choice.
Pairs well with
Other parts in this build. © 2026 TrackTheory · ABN 33 689 462 504 Built in Adelaide · Shipping AU-wide