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  See all Air Intakes products
AIRAID Universal Air Filter - 721-478

AIRAID AIR-721-478 Universal Air Filter

The AIRAID AIR-721-478 is a high-performance air filter designed to boost your engine's horsepower and torque. Engineered with multiple layers of advanced filter media, this filter utilizes AIRAID's proprietary filtration technology for superior dirt particle filtration. Unlike standard cotton-gauze filters, the AIRAID Premium Filter ensures cleaner air intake, which can lead to improved engine performance. Whether you're customizing your vehicle or upgrading from another brand's intake system, the AIR-721-478 is a reliable choice that fits a variety of applications.

Key Features

  • **Large End Diameter:** 10.813 in (275 mm)
  • **Material:** Non-woven Synthetic for enhanced durability
  • **Unique Shape:** Designed for optimal airflow
  • **Base Outside Diameter:** 10.813 in (275 mm)
  • **Flange Angle:** 0 degrees for straightforward installation
  • **Flange Inside Diameter:** 4.25 in (108 mm)
  • **Flange Length:** 1 in (25 mm)
  • **Flange Offset:** 5.25 in (133 mm)
  • **Flange Type:** Offset for universal fitment
  • **Flanges:** 1 for easy connection
  • **Frame Design:** Flexible for a snug fit
  • **Height:** 7.5 in (191 mm)
  • **Item Type:** High Performance
  • **Oil Requirement:** No filter oil required, making maintenance a breeze
  • **Package Contents:** 1 Air Filter
  • **Package Material:** Paperboard for eco-friendliness
  • **Washable:** Yes, for long-lasting use
  • **Weight:** 3 lb (1.4 kg)
  • **Color:** Eye-catching Red
  • **Warranty:** No-Hassle Lifetime Limited Warranty

Fitment Information

Universal Fitment: The AIRAID AIR-721-478 is designed to be compatible with a wide range of vehicles. However, it's advisable to conduct research to ensure it meets your specific application requirements.

Product Reviews

"The AIRAID filter has noticeably improved my vehicle's throttle response. Installation was straightforward, and I appreciate the washable feature. Definitely a worthwhile upgrade!"

"I've tried several air filters, but the AIR-721-478 stands out for its build quality and performance. My engine feels more alive, and I love that I don't have to use oil!"

"This filter exceeded my expectations. The airflow is incredible, and I've noticed a boost in my fuel efficiency. Highly recommend for anyone looking to enhance their ride!"

Important Notes:

Always verify fitment with your vehicle's specifications to ensure compatibility. This filter is designed for universal applications, but proper research is recommended to confirm its suitability.

Note(s):

  • This air intake may be CARB restricted. Please check with your local laws and regulations.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Airaid Banner

Who is Airaid?

Airaid is an aftermarket company that manufactures air filters and air intake systems for various vehicles. Founded in 1997, their filters are designed to work in any kind of environment, may it be the sand dunes, mud bogs, snowy slopes, and other harsh terrains. 

Their filters are not just used for offroading purposes but at the race track as well. You can see it being used by various drag cars and track cars too. Over the years, Airaid has established itself as a company that provides top quality products and has since become a leader in its market segment.

Engines Need to Breathe Too

Like humans, your car engine needs to properly breathe as well. Imagine running with your nose clogged. Hard isn’t it? That goes the same for your engine. 

A clogged air intake system would not just hinder the engine but might cause some unnecessary damage as well. Airaid aims to provide a better solution to these by creating products that would help restrict airflow.

Continuous Research for Innovation

Airaid has always pushed itself to find better ways on how to improve an engine’s airflow. They have created products such as throttle body spacers that complements their high-performance air intake systems. 

Their own air filters dubbed Synthaflow and Synthamax are proven to be more efficient against its competitors. The company is committed to providing the best product that they have created a special team known as the H-PAS Development Team. This team focuses on High-Performance Air Systems.

Purchase Airaid at Vivid Racing

Don’t restrict your vehicle’s full potential and upgrade your vehicle’s air intake system with Airaid. Designed to perform, you know that you have a product that helps your vehicle’s performance. Visit Vivid Racing and check out the list suitable for your needs.





Araid has the following 4 available warranties:
  • AIRAID "NO-HASSLE" LIFETIME LIMITED WARRANTY
  • AIRAID 1-YEAR LIMITED WARRANTY
  • AIRAID 90-DAY LIMITED WARRANTY
  • AIRAID 12-MONTH / 24,000 MILE LIMITED WARRANTY

THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS, WHICH VARY FROM STATE TO STATE. THIS LIMITED WARRANTY CAN ALSO BE FOUND ONLINE AT www.airaid.com/warranty. WE LIMIT THE DURATION AND REMEDIES OF ALL IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO THE DURATION OF THIS EXPRESS LIMITED WARRANTY. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS.

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