Originally Posted by BLACK OPS
I'm not so sure the goal of closed valves is stock, rather closed =sport and open= race. Most of the time the exhaust is likely preferred to be open but there are times when you are with business clients or when you might respect your neighborhood at late or early hours. If this isn't you then don't buy it. That's why they make more than 31 flavors.
Thanks for pointing out our aim.
This is exactly what we aimed for, valve closed = sporty, open = race.