Article 10K
Breather System
Technical Regulations
Article 10K
Breather System
Chapter: Apx.C4 Table 1 #73 #74
In Simple Terms
The breather system is a component inside the F1 power unit that manages air pressure and prevents fluid overflow from the engine. It's a regulated part that teams must design and use according to the detailed specifications in Appendix C4 of the technical regulations.
- Part of the internal power unit components with strict design specifications
- Manages pressure relief and fluid containment within the engine
- Subject to technical inspections and homologation requirements
- Must comply with Appendix C4 technical specifications
Official FIA Text
As defined in App.C4. Components inside the Power Unit Supply Perimeter.
breather systempower unitengine ventilationpressure managementtechnical regulations
2026 Season Regulations