Here's SN#6684, it was advertised as a low mileage original car and there's the same sticker mark. Unfortunately a lot of Pantera owners tossed their air cleaners too. Hopefully someone has an answer for you.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .