Sprint Filter P14 Air Filter for Dusty Conditions – Aprilia RS 457 (2024–2026) PM252P14

Not every RS 457 lives on clean tarmac. If yours commutes through construction season, follows gravel to the good roads, or spends August behind farm traffic, the limiting factor is not airflow — it is how much of that dust reaches the engine. The Sprint Filter P14 PM252P14 is the denser member of the polyester family, built to hold on to the fine material a freer-flowing element would let through.

Key Features

• Denser polyester weave for finer filtration in dust, grit and airborne debris
• Still a dry medium — no filter oil anywhere in the maintenance routine, ever
• Enlarged filtering surface shaped to the standard RS 457 airbox, so the denser weave does not choke the engine
• Washable and reusable, so hard conditions do not turn into a consumables bill
• Direct drop-in for the standard airbox, no modification and no remap
• Supplier to Aprilia Racing in World Superbike and MotoGP since 2015

Where the P14 earns its place

Filtration and flow pull in opposite directions: open a filter up and more air passes, but so does more of what you did not want. The P14 deliberately sits on the protective side of that trade. You give up a little of the P08's outright flow and gain a margin of safety that matters far more over tens of thousands of kilometres of dusty riding than a fractional gain on a dyno ever will. The medium is the same family as the P08 — permeable, stable, calibrated rather than layered — simply woven tighter.

Choosing between the three

Be honest about where your 457 actually goes. Mixed road use, mostly sealed surfaces: the P08 PM252S. Dust, gravel, long dry summers, year-round commuting: this P14. Circuit riding where the air is clean and peak flow is the whole point: the P08 F1-85. All three drop into the same airbox, so the decision is about conditions, not fitment.

Care and cleaning

A dusty filter is easier to service than a clean-looking one, because you can see when it is done. Blow an air jet through the element against the normal intake direction; that alone removes most of what it has collected, and nothing needs washing or drying before it goes back in. For a heavily loaded element, use compressed air first, then soak in ordinary household detergent, agitate gently, rinse until the water runs clear and air dry fully. Never oil it. 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, seating in the standard airbox exactly as the original does.