Window Nets
Do you need a window net in a funny car cage?
If your race car has a full cage or a funny car cage, you need to have a window net.
Are window nets required in drag cars?
Yes. The NHRA drag racing rulebook states that an SFI 27.1 ribbon or mesh window net is required on any race car running 7.49 or quicker.
How often do I need to replace my safety window net?
A window net must be replaced or updated every two years from the date it was manufactured.