Part Upgrades and Mods at PRO Import Tuners
Set Your 2021 Acura RDX Catalog
A down arrow

Air Intake Filters for 2021 Acura RDX


Showing 1 to 6 (of 6 total)
DC Sports Air Filter
In Stock
Starting @ $38.00
Fits 2021 Acura RDX :
*Universal Fitment Available
Performance Top, 2.50" Inlet
Performance Top, 2.75" Inlet
Performance Top, 3.0" Inlet
Performance Top, 3.50" Inlet
Standard Flat Top, 2.50" Inlet
Standard Flat Top, 2.75" Inlet
Standard Flat Top, 3.0" Inlet
Standard Flat Top, 3.50" Inlet
View Full Product Page
Mishimoto Performance Air Filter
In Stock
Starting @ $24.95
Fits 2021 Acura RDX :
*Universal Fitment Available
2.75" Inlet
3.0" Inlet
Re-Oil Kit
View Full Product Page
Weapon R Secret Weapon Air Filter
In Stock
Starting @ $54.95
Fits 2021 Acura RDX :
*Universal Fitment Available
2.5" Inlet, 6.5" Wide, 6.5" Tall
2.75" Inlet, 6.5" Wide, 6.5" Tall
3.0" Inlet, 6.5" Wide, 6.5" Tall
3.0" Inlet, 6.5" Wide, 6.5" Tall, Stealth Black
3.5" Inlet, 6.5" Wide, 6.5" Tall
4.0" Inlet, 6.5" Wide, 6.5" Tall
Optional Ram Air Kit Only
View Full Product Page
Takeda Pro Dry S Air Filter
In Stock
Starting @ $74.97
Fits 2021 Acura RDX :
*Universal Fitment Available
2.75" Inlet, 5.0" Height, 6.0" Base
3.5" Inlet, 5.0" Height, 6.0" Base
4.5" Inlet, 5.0" Height, 6.0" Base
5.5" Inlet, 4.5" Height, 7.0" Base
View Full Product Page
Injen Super-Nano Air Filter
In Stock
Starting @ $71.95
Fits 2021 Acura RDX :
*Universal Fitment Available
2.50" Inlet
2.75" Inlet, 4.5" Height
2.75" Inlet, 5.0" Height
3.0" Inlet
3.25" Inlet, 4.5" Height
3.50" Inlet
4.50" Inlet
View Full Product Page
AEM Dryflow Air Filter
In Stock
Starting @ $58.79
Fits 2021 Acura RDX :
*Universal Fitment Available
2.5" Inlet, Short Neck, 5.0" Element
2.75" Inlet, Short Neck, 5.0" Element
3.0" Inlet, Short Neck, 5.0" Element
3.25" Inlet, Short Neck, 5.0" Element
3.5" Inlet, Short Neck, 5.0" Element
4.0" Inlet, Short Neck, 5.0" Element
4.5" Inlet, Short Neck, 5.0" Element
View Full Product Page
Showing 1 to 6 (of 6 total)
🔰 Acura RDX Fitment Help
Quicker Navigation & Better Info
Set Your Car Once & Site Customizes For It



  Don't have a 2021 Acura RDX?

Our Customers Love Us - See our Reviews
...Loading Reviews