Smoke that is buffed stainless.
You should see it in person, those four stinger type mufflers look sooooo good. And the sound is incredible.
This shop does some killer work. Alot of racers who need mufflers on their cars go with Mufflex. Ask the Camaro guys about the Mufflex 4" system.
When I get my Viper I am putting on the headers, but they are going to do it all from there back as per my design. If all works out and this happens there just could be another exhaust on the market for Vipers. But don't tell, it's a secret.