The facts.
DescriptionThe whole story▼
Buying a motorcycle in its first model year means accepting that almost everything on it is new. The chassis is new, the bodywork is new, the electronics have one public season behind them. The airbox is the exception. The element Sprint Filter lists for the 990 RC R carries the code it has been supplying since 2018 for the 790 Duke, and it has spent the years since in the hands of owners of every machine that shares the housing. On this one part, a 2026 buyer is not an early adopter.
Key Features
- The element code Sprint Filter has listed for this housing since 2018
- Eighty microns of filtration and a flow rate of 5,050 l/m²/sec
- Dry woven polyester, never oiled at any stage of its working life
- Around twice the filtering surface of a typical performance element
- Direct replacement in the standard airbox — nothing cut, nothing remapped
- Serviced with compressed air rather than renewed; two years of warranty from purchase
An old code under a new motorcycle
A first model year has no accumulated experience behind it, and there is usually no way around that. Here there is. The housing arrived with the 790 Duke, carried through the 890, was inherited by the 990 Duke and Duke R, and reaches the RC R unchanged as far as the element is concerned. So the questions that normally take a couple of seasons to answer — does it seat properly, does the lid close on it, does the cleaning routine work in practice — were answered elsewhere, years ago, on machines that are still on the road.
What that is worth, and what it is not
It is worth confidence and nothing more dramatic. A replacement element does not make a standard 990 RC R quicker, and this page will not pretend otherwise; on a machine in this state of tune the intake is not what is holding anything back. The real return is that the resistance the engine works against starts lower than a disposable panel's and can be restored to that figure whenever the box is opened, instead of rising slowly through a season with nothing to show for it on the dashboard.
Care and cleaning
Blow the PM175S through from the clean face outward with compressed air, so what the weave stopped leaves by the route it came. Anything that resists dry cleaning comes out in lukewarm water with a mild detergent; rinse until the water runs clear. Then let it dry fully in moving air. Heat of any kind damages polyester, so no heat guns, no radiators and no flame, and it is refitted dry and untreated. The maintenance sheet lives in the Downloads tab.
Fitment & Compatibility
The P08 for the KTM 990 RC R, model year 2026. Five machines are listed against this code, the RC R being the most recent addition to a housing that has been in production since 2018. As always with a shared airbox, the element code and the model year are what identify the part, not the model name; the Fitment tab has the full list.
DownloadsOwner's manual · brochure▼
FitmentWhich bikes this fits▼
- KTM Duke / L (2018–2020)
- KTM Duke / L / R (2020–2026)
- KTM Duke (2024–2026)
- KTM Duke R (2024–2026)
- KTM RC R (2026)
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