Sprint Filter P08 F1-85 Air Filter for Racing – Aprilia RS 457 (2024–2026) PM252S F1-85
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On a 457 the tuning headroom is small, so the intake side has to be honest. The Sprint Filter P08 F1-85 is the racing answer: a patented polyester medium woven from threads starting at ø 22 microns, and by Sprint Filter's own account the most widely used air filter in the MotoGP, Moto3, World Superbike, Supersport and Superstock championships. Here it is offered as a direct-fit element for the Aprilia RS 457 — a bike from a factory Sprint Filter has supplied in SBK and MotoGP since 2015.
Key Features
- Patented F1-derived polyester medium, threads from ø 22 microns — the most open element Sprint Filter builds for this airbox
- The highest airflow in the range for the RS 457, at the filtering power the racing classes demand
- Enlarged filtering surface matched to the standard airbox, not a generic panel
- Dry medium, no oiling, washable between sessions
- Drop-in fitment, so a race weekend needs no bracketry and no remap
- In the business since 1952
What you are actually buying
The F1-85 came out of Sprint Filter's Formula 1 work rather than being adapted down from a road element, and the difference shows in where it makes sense. A more open medium passes more air and, unavoidably, more fine dust with it. On a circuit that is a sensible bargain: the air is comparatively clean, sessions are short, and the filter comes out for compressed air afterwards. On a dusty road ridden every day it is the wrong bargain, and we would rather say so than sell you the more expensive part.
Who should fit this and who should not
Fit the F1-85 if your RS 457 is a track bike, a race bike, or a road bike that mainly sees circuits and is serviced accordingly. Fit the P08 PM252S if it is a road bike. Fit the P14 if it is a road bike in dusty country. The price difference between them is not a quality ladder — it reflects a different medium built for a different environment.
Care and cleaning
The PM252S F1-85 is cleaned like every dry Sprint Filter element. Between sessions, blow an air jet through the element against the normal intake direction and refit it; no washing, no drying, no downtime in the paddock. For a heavily loaded element use compressed air first, then ordinary household detergent, agitate gently, rinse until the water runs clear and air dry completely. Never oil it — oil belongs to cotton-gauze filters and does real harm here. The illustrated maintenance sheet is in the Downloads tab.
Fitment & Compatibility
Engineered specifically for the Aprilia RS 457 (2024–2026), 457 cc parallel twin. Model-specific element for the standard airbox; no airbox modification required.
| Brand | Sprint Filter |
|---|---|
| Part number | PM252S F1-85 |
| Filter type | P08 F1-85 |
| Medium | Polyester, dry |
| Filtration | 85 microns |
| Air flow | 15,000 l/m²/sec |
| Intended use | Racing |
| Filtering surface | Approximately double that of other performance filters |
| Oiling | Never — dry medium |
| Cleaning | Compressed air from the clean side; washable and reusable |
| Service life | Designed to last the life of the motorcycle |
| Installation | Direct replacement, no modification, no remap |
| Fits | Aprilia RS 457, 2024–2026 |
| Also fits | 1 motorcycles — see the Fitment tab |
| Warranty | Two years from date of purchase |
- Aprilia RS 457 (2024–2026)
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// Sprint Filter
Sprint Filter P08 F1-85 Air Filter for Racing – Aprilia RS 457 (2024–2026) PM252S F1-85

- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
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