--- product_id: 48181441 title: "K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 1986-2008 SUBARU (Impreza, WRX, Forester, Legacy, Outback, Liberty, SVX, Loyale, Alcyone, RX), 33-2232" brand: "k&n" price: "£67.31" currency: GBP in_stock: true reviews_count: 8 url: https://www.desertcart.co.uk/products/48181441-k-and-n-engine-air-filter-high-performance-premium-washable store_origin: GB region: Great Britain --- # 50% more airflow $250 savings over 10 years Washable & eco-friendly K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 1986-2008 SUBARU (Impreza, WRX, Forester, Legacy, Outback, Liberty, SVX, Loyale, Alcyone, RX), 33-2232 **Brand:** k&n **Price:** £67.31 **Availability:** ✅ In Stock ## Summary > 🚗 Elevate Your Ride with K&N—Performance Meets Sustainability! ## Quick Answers - **What is this?** K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 1986-2008 SUBARU (Impreza, WRX, Forester, Legacy, Outback, Liberty, SVX, Loyale, Alcyone, RX), 33-2232 by k&n - **How much does it cost?** £67.31 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/48181441-k-and-n-engine-air-filter-high-performance-premium-washable) ## 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 - • **Engineered Power:** Boosts acceleration by up to 10% with superior airflow - • **Easy Installation:** Pre-oiled and ready to drop in—no tools required! - • **Ultimate Longevity:** 10-Year/Million Mile Warranty for peace of mind - • **Eco-Conscious Choice:** Reduce waste with a filter that outlasts 10 disposables - • **Cost-Effective Upgrade:** One of the simplest ways to enhance your vehicle's performance ## Overview The K&N Engine Air Filter (Model 33-2232) is a high-performance, washable replacement filter designed for various Subaru models from 1986 to 2008. It offers a 10-Year/Million Mile Warranty, enhances airflow by up to 50%, and is an eco-friendly choice that saves you money over time. ## Description K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 1986-2008 SUBARU (Impreza, WRX, Forester, Legacy, Outback, Liberty, SVX, Loyale, Alcyone, RX), 33-2232 ## Features - ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle. - 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 ready to drop into your factory air box; One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains. - 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. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | K&N | | Brand | K&N Filters | | Model | 33-2232 | | Product Dimensions | 34.29 x 19.69 x 4.45 cm; 450 g | | Item model number | 33-2232 | | Manufacturer part number | 33-2232 | | OEM Part Number | 33-2232 | | Item Weight | 450 g | ## Product Details - **Brand:** K&N - **OEM Part Number:** 16546AA020, 16546AA050 - **Global Trade Identification Number:** 00024844092496 - **Shape:** Panel - **Manufacturer:** K&N Engineering ## Images ![K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: Compatible with 1986-2008 SUBARU (Impreza, WRX, Forester, Legacy, Outback, Liberty, SVX, Loyale, Alcyone, RX), 33-2232 - Image 1](https://m.media-amazon.com/images/I/71cpoHh39sL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Back-up filter *by W***R on Reviewed in the United Kingdom on 22 February 2018* Bought this one so that I do not have to wait whilst my original KN Filter is drying before I can use the car. Excellent product. ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Five Stars *by A***R on Reviewed in the United Kingdom on 13 November 2015* Great filter ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Five Stars *by J***S on Reviewed in the United Kingdom on 11 August 2014* Great Item! ## Frequently Bought Together - K&N Engine Air Filter: Increase Power & Acceleration, Washable, Replacement Car Air Filter: Compatible 1986-2008 SUBARU (Impreza, WRX, Forester, Legacy, Outback, Liberty, Loyale, Alcyone, RX), 33-2232 - K&N Air Filter Cleaning Kit: Aerosol Filter Cleaner and Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5000, Multi --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/48181441-k-and-n-engine-air-filter-high-performance-premium-washable](https://www.desertcart.co.uk/products/48181441-k-and-n-engine-air-filter-high-performance-premium-washable) --- *Product available on Desertcart Great Britain* *Store origin: GB* *Last updated: 2026-04-23*