Do not use them for daily use.
The corbeau mounts to the upper driver back seatbelt mount.
The harness bars will interfere with reclining for sure. As well as make your back seat useless due to its danger to your passengers in an accident.
Look up some harness bar failures too, they do not provide enough support in a daily driving accident, they bend in half and then your sweet looking harness is useless.
Harnesses ideally will be mounted to a roll cage. Also not good for daily driving.
If you're looking to stay put in your seat, look up the CG lock for your stock seatbelt.
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