Originally Posted by elp_jc
By the way, found a straight rubber strip at the bottom (and middle) of the pan below the radiator, and couldn't find out where it was originally installed, but figured it'd fall again, so didn't investigate any further. If you see it (use a flashlight from the driver's side) somewhere, please take a pic so I know where it belongs (photo below). Thanks, and good luck.
There are two rubber strips along the front and back edges of the vent rectangle of the center undertray. Here's a pic of a new undertray (had to replace mine). The front edge of the undertray is closer to the camera. Hope this helps.