About this part
What it does. Pronto Air Filter Pronto 455-PA99401 keeps dust and debris out of the intake so the engine draws clean air.
Symptoms that point to this part
- Reduced fuel economy
- Sluggish acceleration
- Visibly dirty or clogged filter element
Service note. Typically inspected at every service and replaced roughly annually.
Fitment. Catalogued as fitting 2018–2026 Audi Rs3, 2018–2022 Audi Tt Rs Quattro. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.