Hey a quick question for you GTS owners. My exhaust valves are open all the time because I have disconnected the vaccum hoses.
However I note that it is always much louder when I cold start. I want it like that all the time as it sounds epic. But after 30 seconds or so it reverts back to the...
My 2016 GTS is an Auto and it has the single oval pipes each side.
I disconnect the vacuum hose on each muffler and the valve stays open all the time :D