If you would like to upgrade the OEM door speakers in your 1st generation (2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 & 2019) Ford Flex, you’ll need to first take off the plastic interior door panels. Check out my DIY instructions for the procedure by clicking on the text link or thumbnail image located below.