2018 Subaru WRX STI Air Filter
Navigate our online catalogue to find original replacement Air Filters specifically designed to fit a 2018 Subaru WRX STI.




Air Filter
$17.28
10+ In Stock
Condition: New
Ships: Same or Next Business Day
Pick-Up: Same Business Day (Order before 12pm)
Pick-Up: Same Business Day (Order before 12pm)
Required Per Vehicle: 1
Made in Korea
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
OE Number : 16546AA120
OE Number : 16546AA120







Air Filter
$21.10
$13.36
10+ In Stock
Condition: New
Ships: Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Pick-Up: Available for 8:30am Monday Oct. 6th
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Engine Base: 2.5L 2458cc H4 (3.92x3.11; 99.5x79.0);
Vehicle Fitment Notes:
Rigid Panel Air Filter Exc. Type RA
Rigid Panel Air Filter Exc. Type RA


Air Filter
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Vehicle Fitment Notes:
Rigid Panel Air Filter Use until inventory is depleted
Rigid Panel Air Filter Use until inventory is depleted