If you’d like to upgrade the OEM door speakers in your third generation (2014, 2015, 2016, 2017 & 2018) Toyota Highlander SUV, you’ll first need to take off the plastic interior door panels. Take a look at my DIY tutorial for the procedure (with the compatible replacement aftermarket speaker sizes) by clicking on the text link or thumbnail picture below.
2014-2018 Toyota Highlander Interior Door Panel Removal Guide
