Has anyone had any experience with Remus or any other exhausts on his/her X?

The price of the unit seems very attractive compared to the Meisterschaft: $1138 vs $2498.

Here is the link: BMW X5 E70 2007& up - 4.8l 261 kW 3.0l si 200 kW Remus Exhaust Shop


Meisterschaft Exhaust systems - GTHAUS

Thanks very much for all replies.