thanks for the advice but the 40css684 system is already installed.when i purchased the system from sonicelectronix it had the green check symbol for fitment.i thought there wouldn't be any problem flush mounting the tweeter.i went back online and found this website.www.diymobileaudio.com/cheap,adjustable,easily replaceable tweeter pods.all you need is pvc end caps that fit the tweeters.threaded steel nipples/w hex nuts.bedliner to go over the pvc to make the texture look like the door panels.then spray paint over the tweeter pods with the matching door trim color.the price about $20.00 to $40.00.problem solved!