I wasn't a fan of louvers, but I've seen yours and other pictures, and must say they look very cool (and RETRO). I also didn't originally like the "vinyl tops." But they too also look very nice on Challengers. A vinyl top/louver combo would be great on high impact colored cars.
2013 "Blacktop" RT-6 SPD - Clear Black- STP- Radar Red Interior- 27J