loud banging noise

No way for me to tell from here. Get it checked out ASAP, it could be a safety issue. If you want to find a specialist, here's a directory link for you: https://repairpal.com/mazda-repair-in-dundalk-maryland

You could possibly have bad motor mounts. Bad front struts and or strut mounts. A third problem could be stabilizer links. If you would like to bring your car in we will be glad to check it for free. Also cut out the coupon and if you decide to get work done you may save $25.00.