I've been to the Ferrari factory in Maranello back in 1992 and did the tour, it was a blast. About 20 F40's outside and I saw a +700 BHP NART F40(LM)
A bit like this one(a REPOST I know).
Put on the volume to the max
>700BHP driven by F1 pilot Jacques Lafitte. From 0:30 seconds on: