
The facts.
| Brand | Sprint Filter |
|---|---|
| Part number | PM176S_F1-85 |
| Filter specification | P08F1-85 |
| Filter medium | Polyester, 22-micron wire diameter |
| Filtration threshold | 85 microns |
| Airflow | Approximately 3× standard P08 |
| Water resistance | Yes — exclusive Sprint Filter technology |
| Maintenance | Compressed air cleaning only, no oil required |
| Fitment | Aprilia RS 660 (2020-2026) |
DescriptionThe whole story▼
The Sprint Filter P08F1-85 is the race-proven air filter trusted by factory MotoGP and World SBK teams — and now engineered specifically to fit the Aprilia RS 660 (2020-2026). Its water-resistant polyester membrane and triple-airflow design deliver measurably higher performance without requiring an ECU remap, making it equally at home on a Sunday morning road ride or a full track day.
Key Features
- Triple the airflow compared to the standard P08 filter, translating directly into stronger throttle response and peak power across the rev range.
- 22-micron wire diameter polyester medium flows 15,000 l/m²/sec and, in Sprint Filter's own test, retains 95.22 % of 100-micron particles — delivering the highest air permeability of any production filter while maintaining genuine filtration integrity.
- The only water-resistant filter of its type in the world, built using an exclusive Sprint Filter technology that keeps performance consistent through rain, spray, and extreme riding conditions.
- Almost entirely maintenance-free: a blast of compressed air is all that is required to clean and reinstall — no messy washing kits or expensive chemical treatments needed.
- Polyester construction retains its structural stability and filtration efficiency across years of use, outperforming foam and cotton gauze alternatives in long-term durability.
- Backed by over 65 years of air filter development, with championship-winning results across MotoGP, Moto3, and World SBK.
Race Heritage, Road Confidence
Sprint Filter has supplied works-level racing teams for decades, and the P08F1-85 specification represents the top of their performance range. The 85 in the F1-85 designation is part of the name, not a pore size: it is a different weave from the standard P08 that flows more air and, in the manufacturer's test, also catches more 100-micron particles (95.22 % against 93.13 %). Unlike cotton-gauze filters that can degrade when oiled incorrectly, the P08F1-85 polyester medium does not require oiling at all, removing one of the most common sources of filtration failure.
Water Resistance and Reliability
Riding in unpredictable weather is a reality for any RS 660 owner. The P08F1-85 is the only filter in its category to offer genuine water resistance as a designed-in property — not a coating applied after manufacture. This means the filter's airflow characteristics and particle-capture performance remain stable whether conditions are dry or wet, a reassurance that matters on both road and circuit.
Fitment and Compatibility
The Sprint Filter PM176S_F1-85 is a direct-fit replacement air filter for the following motorcycle:
- Aprilia RS 660 — model years 2020, 2021, 2022, 2023, 2024, 2025, 2026
No modifications, adapter brackets, or ECU recalibration are required for fitment. The filter seats directly in the standard airbox using the original mounting points.
Specifications
- Brand: Sprint Filter
- Part number: PM176S_F1-85
- Filter specification: P08F1-85
- Filter medium: polyester, 22-micron wire diameter
- Retention of 100-micron particles: 95.22 % (manufacturer test)
- Airflow: approximately 3× the standard P08
- Water resistance: yes — exclusive Sprint Filter technology
- Maintenance: compressed air cleaning only, no oil required
- Fitment: Aprilia RS 660 (2020-2026)
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- Aprilia RS660 (2021–2026)
- Aprilia Tuono (2021–2026)
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