Airaid SynthaMax Dry Red Universal Replacement Air Filter
Regular price
$136.99
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
Breathe more air through your engine with the Airaid SynthaMax Dry Red Replacement Air Filter (air721-478) - a washable, reusable high-flow element.
- 4-1/2in flange fits 4-1/2in intake tubing
- 9-3/4x9-5/16in base x 7-1/2in height
- SynthaMax dry synthetic media, now also branded Dryflow - Airaid recommends it for everyday street driving
- No oiling means no risk of contaminating a MAF sensor
- Filters dirt down to 2 microns
- Washable and reusable - service every 30,000-50,000 miles
- Tested for filtration, dust capacity and airflow in Airaid's in-house ISO 5011 lab
- Made in the USA, backed by Airaid's No-Hassle Lifetime Limited Warranty
Perfect for high-output gas or diesel builds that demand consistent airflow and easy maintenance.
Shipping Height: 9.6
Shipping Length: 12.1
Shipping Width: 9.8