K&N RU-5181 Universal Clamp-On Air Filter

A premium-capacity reusable air filter designed for extreme high-flow and competition applications. The large-format cotton gauze element delivers minimal restriction whilst maintaining SAE J726a filtration standards for sustained performance under demanding conditions.

• Large-format oil-impregnated cotton gauze element engineered for extreme airflow and competition use
• Universal clamp-on design with heavy-duty hose clamps suits intake pipes 85–110 mm diameter
• Washable and reusable construction eliminates consumable filter costs over vehicle lifespan
• RU-5181 specification optimised for extreme performance, off-road, and high-boost applications

Thank you for visiting our online store. We are here to help with all your needs and wants for your pride a joy. Please feel free to reach us using any of the contact details below or simply complete the contact form below and one of our Customer experience representatives will be happy to help. We appreciate your business and look forward to working with you and your pride and joy!

Tel: 01268 692 220 Email: sales@fdracing.co.uk

Why Choose FDRacing.co.uk?

Many enthusiasts have trusted the FD Racing brand for their performance automotive needs.  Providing top quality products and service to customers worldwide, FD Racing wants to grow to be one of the most recognized names in this vastly diverse industry!  

Our Vision is simple:  "Preferred life time parts provider for enthusiast vehicle owners, by offering the broadest selection of quality performance, appearance and replacement parts".

Here are some reasons why customers choose us:

• FREE Product Support for Life - Our Performance Specialists are available by phone to answer any questions you may have about your vehicle and/or our products.  Whether you are looking to order or have ordered, our priority is providing you with the best information and support for your automotive needs.  

• FREE Project Analysis - Are you building the perfect show vehicle, ultimate race car, or even a street machine?  FD Racing's knowledgeable and expert Performance Specialists will help layout your project part by part.  Tell us what you want to accomplish and we will put together the best possible solution for you.  Our goal is not what you are doing now, but where you want to go in the future!   

• Price Match Policy - FD Racing is committed to providing you with Top Level customer service and products.  We guarantee to give you the best price on ANY product on the market.  

• Risk Free Shopping Guarantee - We want our customers to know how committed we are to providing the best service available.  The ultimate in risk free shopping!  To ensure your complete satisfaction when purchasing from FD Racing, we have a 30 Day Money Back Guarantee Policy.   

• Ready to Ship Inventory - If there is 1 thing FD Racing does better then its competition, it is selling parts!  We have positioned ourselves as the place to go for all your performance needs.  Having strong partnerships with manufacturers and warehouse distributors worldwide, we guarantee to get you your normal or hard to find product in a reasonable amount of time.   

• Authorized Reseller - As an authorized reseller for many of the brands FD Racing carries, you can assure yourself the best support available. 

• Fast and Convenient Payment Methods - FD Racing has setup its online store to allow you to get to the checkout as fast as possible.  In addition to taking all major credit cards, we also accept PayPal and other forms of payment available. 

• 100% Secure Shopping - You will notice our entire site has a full SSL in place to prevent anyone from stealing your personal information.