Originally Posted by egott_91

No, it's tuned by Brenspeed, but other than that it's stock, and the SHO is tuned by Brenspeed also.. I may be wrong on the LS's numbers, idk what they put out stock or what the numbers were after the tune, I'm just going by what I think I remember him saying, but I saw the dyno sheet for the SHO.

All I know is that the SHO lost by a car from a roll (not sure what speed)