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Airaid 851-500 Air Filter


Air Filter 851-500 Airaid Panel - Red Synthamax - 12.25 in. x 9.656 in. x 2.5 in.

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Airaid - Air Filter P/N 851-500 Features:

  • Multi-Layer Construction
  • Most Durable Filters In The Industry
  • Outperforms The Others In Clean Air Testing
  • Assures Cleanest Air Possible From Washable Filter
  • Washable And Reusable
  • Made In The USA
  • Lifetime No Hassle Warranty

View the Full List of Automotive Applications »

Below is an abbreviated list of applications for the Air Filter.
Mustang, Ford, 2014, 2013, 2012, 2011, 2010


Build it better. That's the American ingenuity behind many of today's successes in the automotive aftermarket industry and the story behind AIRAID Premium Filters. proudly offers the entire product line of AIRAID intake products and filters due to the wide array of vehicle applications and value offered. AIRAID was founded in 1997 when it began developing and manufacturing air intake systems for light trucks and SUVs, utilizing the cotton-gauze filter technology that was available at the time. Since then, AIRAID has never stopped developing and improving their air intake products, while expanding their product line to cover nearly every car or truck on the road. Most vehicle owners will find a number of options for their vehicles, which can be overwhelming at times. Narrow your choices through education! AIRAID's SynthaFlow filters are an oiled cotton gauze filter which will offer superior filtration, but require periodic cleaning and re-oiling. The SynthaMax filters are a dry, washable filter that offers vastly improved flow over OE air filters, and excellent filtration. AIRAID's complete air intake systems are complemented by their M.I.T. (Modular Intake Tube) and U-Build-It intake systems for enthusiasts who want to take a more custom approach. From the factory, your vehicle's air intake tube is a major source of restriction in most cases. The AIRAID M.I.T. aims to replace the intake tube with a smooth flowing alternative for those who wish to retain their factory air filter box. AIRAID's PowerAid and EconoAid throttle body spacers each perform a role in modifying the air entering your throttle body, for real-world proven power or fuel efficiency gains. Narrow your search to find anything from a simple panel filter replacement, to a complete air intake system replacement using our vehicle search engine. For further assistance please do not hesitate to contact us at


  • 851-500
  • 851-500
  • 642046073039
  • Airaid
  • New

Shipping Information

  • Item Requires Shipping
  • 2.4 lbs.
  • W2.8000” x H11.2000” x L15.5000”

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