If you have one of these sleds you need to get this if you have not already addressed your intake.
https://www.theracinstation.com/2018-Arctic-Cat-M8-Intake-Upgrade-Kit-detail.htm?productId=-8343586&catalogId=-1970&fpg=1
https://www.theracinstation.com/2018-Arctic-Cat-M8-Intake-Upgrade-Kit-detail.htm?productId=-8343586&catalogId=-1970&fpg=1