Definitely not pretty. If it helps you while backing in your Crossfire or while towing a camper it may provide some usefulness. However, when the Crossfire is moving forward there are no blind spots if the mirrors are adjusted properly. You should be getting full coverage to the rear from the three mirrors you got with the car. Some may find the links below useful to learn how to properly adjust their mirrors.

https://www.crossfireforum.org/forum...ror+adjustment

https://www.crossfireforum.org/forum...ror+adjustment