Originally Posted by
s_c5519
I just disconnected and plugged up the vacuum lines on a 2017 Spyder with the standard exhaust. It made a very small difference, especially in the lower (under 3k) rpms. I would guess it maybe brought the sound up a couple decibels to the sport exhaust, if that. So little that I'm questioning now that if I even did it correctly....
I was hoping to save $12,300 (Boston Lambo quote) on the race exhaust, but still might go with it. We just got our first snowfall and massive salt dump of the season, so the party's over, for a while anyway...