when you're cruising, you can have a conversation. when you're stopping and going, i can imagine that it would be difficult in a vert, however i can also imagine how beautiful it would sound...
i never cut the dipstick HOWEVER I WISH I DID! lol, cutting it would have saved us about 3 hours of work but you dont have too. however, its a very very VERY tight squeeze but it does fit
I have those tires. I was recently at a performance racing school where we were aloud to take our car around the track and the tires performed amazingly well. I highly recommend them.