












🚗 Breathe new life into your Subaru’s engine with Spectre Essentials—where performance meets longevity.
The Spectre Essentials Engine Air Filter SPA-2304 is a premium, high-capacity air filter designed specifically for select 2005-2020 Subaru models. Offering a 50% longer lifespan than stock filters with an 18,000-mile change interval, it delivers over 99% filtration efficiency to protect your engine from dirt and debris. This direct-fit, no-tools-required upgrade enhances airflow and engine performance while saving you up to $50 in maintenance costs over time.












| ASIN | B08V7J3873 |
| Assembly Required | No |
| Automotive Fit Type | Vehicle Specific Fit |
| Brand | Spectre |
| Country of Origin | USA |
| Customer Reviews | 4.8 4.8 out of 5 stars (185) |
| Date First Available | 17 November 2021 |
| Exterior | Machined |
| Generic Name | Spectre Essential Filter |
| Global Trade Identification Number | 00089601009551 |
| Item Dimensions LxWxH | 22.5 x 22.5 x 3.8 Centimeters |
| Item Weight | 299 g |
| Item model number | SPA-2304 |
| Manufacturer | K&N Engineering, Inc. |
| Manufacturer Part Number | SPA-2304 |
| Material | Paper |
| Model | Spectre Essential Filter |
| Net Quantity | 1.0 Count |
| OEM Part Number | Subaru 16546AA090 |
| Product Dimensions | 22.5 x 22.5 x 3.8 cm; 299 g |
| UPC | 089601009551 |
S**N
Noticed an increase in air flow immediately. Super quality filter material. Fit perfectly! So happy I spent a little bit more.
P**P
Easy swap and fitment for my Subaru, feels of great quality right out of the box. Will see if it will last longer as claimed.
A**T
Easy install, worth the $$$. Money saved by DYI then the repair shop.
R**C
Good quality - better than the standard one that came with car.
M**.
Fits perfectly in my Subaru Forester 2018, looks well made, easy to install!
Trustpilot
1 month ago
2 months ago