22-08-25, 09:12 PM
A fender extender might change the airflow that could be the cause of the noise.
I'd suggest experimenting by cutting some stiff plastic (eg from a milk carton) and gaffer taping it to the bottom of the mudguard to see if it has any effect.
I'd suggest experimenting by cutting some stiff plastic (eg from a milk carton) and gaffer taping it to the bottom of the mudguard to see if it has any effect.