Yeah...that's the garage door seal foam rubber stuff. AKA EZ-Lip.
I'm not saying it can't look ok, but it can easily look bad.
On eBay for around $12.
https://m.ebay.com/itm/Universal-2-5M-Car-Front-Bumper-Lip-Splitter-Body-Spoiler-Chin-Skirt-Protector/192145559642?