Thanks .Stick with OEM props. Most aftermarkets are sub-par at best. You can go with the Mavic Pro Platinum props which have a slightly lessened sound. Don't expect a big difference though.
Check them out here - Mavic Pro Low-Noise Quick-Release Propellers
I heard the mavic platinum propellers fits on mavic pro and they are low noise with more flying time .Don't waste your money or risk you Mavic on none DJI props, This subject has been discussed to death.
don't understand why you would even want to do that.