Is naviFit recommended?

Evening, I’m desperately looking for a way to integrate a good but portable navigator into my EOS. The manufacturer’s solution was too expensive and too vulnerable to repertures (they have other functions of the car into the device). I only found these kits from Falk. However, I’m limited to falcon devices, and I don’t want to. Now I’ve found it at Navifit. Here all my wishes are fulfilled: 1. Have a large selection of navs that I can install 2. ALL KABEL are invisibly intigrated (through the ventilation slot) 3. Nothing is damaged during installation (drilling etc.) 4. mute circuit when Musi runs Here, however, one is referred to a single builder who should install the stuff. Of course, I don’t want to give my baby into any foreign hands where I don’t know if the workshop is good. Therefore, someone has already used the solutions of naviFit and if yes, what experiences did he make? Thanksanks