---
product_id: 406040334
title: "K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 7 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-2590"
brand: "k&n"
price: "£97.32"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/406040334-k-and-n-universal-clamp-on-air-filter-high-performance
store_origin: GB
region: United Kingdom
---

# 50% more airflow Clamp-on easy install Washable & reusable K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 7 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-2590

**Brand:** k&n
**Price:** £97.32
**Availability:** ✅ In Stock

## Summary

> 💨 Power up your ride with the filter pros trust!

## Quick Answers

- **What is this?** K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 7 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-2590 by k&n
- **How much does it cost?** £97.32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/406040334-k-and-n-universal-clamp-on-air-filter-high-performance)

## Best For

- k&n enthusiasts

## Why This Product

- Trusted k&n brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Eco-Champion:** Washable and reusable, reducing waste and extending filter life.
- • **Effortless Upgrade:** Pre-oiled, clamp-on design for a quick, tool-free install.
- • **Unleash Engine Power:** Boost acceleration with 50% more airflow than standard filters.
- • **Save Big, Drive Smart:** Save $250 over 10 years by ditching disposable filters.
- • **Race-Proven Reliability:** NASCAR official air filter trusted for peak engine protection.

## Overview

The K&N Universal Clamp-On Air Filter (RU-2590) delivers up to 50% more airflow to enhance vehicle acceleration, featuring a washable, reusable design that saves money and reduces waste. Engineered in the USA with a simple clamp-on installation, it offers world-class engine protection and is the official NASCAR air filter, backed by a 1-year limited warranty.

## Description

K&NUniversal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 7 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-2590

## Features

- ENGINEERED POWER: State of the art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle's acceleration by up to 10%.
- EASY INSTALLATION: Pre oiled and built with simple clamp on design. One of the easiest and most cost effective upgrades for your vehicle for quick performance ns.
- SAVES MONEY: K&N high flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
- ECO FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
- WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants..LOW MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions..HIGH QUALITY: Made in America..RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack made for your vehicle..NO HASSLE WARRANTY: 1 Year Limited Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | K&N Engineering |
| Brand | K&N |
| Model | Universal Clamp-On Air Filter |
| Product Dimensions | 15.88 x 15.88 x 27.46 cm; 453.59 g |
| Item model number | RU-2590 |
| Exterior | Machined |
| Manufacturer Part Number | RU-2590 |
| OEM Part Number | RU-2590 |
| Item Weight | 454 g |

## Product Details

- **Product grade:** Performance Part
- **Brand:** K&N
- **Fit type:** Universal Fit
- **Product dimensions:** 15.9L x 15.9W x 27.5H centimeters
- **OEM part number:** RU-2590

## Images

![K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 4 In, Filter Height: 7 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-2590 - Image 1](https://m.media-amazon.com/images/I/61OIfisRGKL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium, Washable: Flange Diameter: 4 In, Filter Height: 7 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-2590
- K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium, Washable: Flange Diameter: 4 In, Filter Height: 5 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-3600
- K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium, Washable: Flange Diameter: 5 In, Filter Height: 9 In, Flange Length: 1 In, Shape: Round, RU-3020

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-18*