[RFI] RFI quiet dimmable green LED 921 replacement for car?

[qrv at kd4e.com]

I want to replace the green LEDs (921 replacements) in my dash with
RFI quiet dimmable green LED's 921.

I am concerned about RFI from the bulb circuit. Should I be?

If so, can anyone recommend a brand and model, please?

Thanks - David KD4E