doesn't really matter how you get there. However there is a limit in what a N/A motor can run and still be streetable. For example lots of low 10-high 9 second N/A cars however I wager only a few are a real streetable car. Full Int, wipers, radio, non-big tire can drive it more than 10 miles around town, cars. Most of the driver 9 second cars are going to be boosted just becuase you can add a ton of power w/ zero effects on drivability. You can drive the car 30-40 miles to the track and roll home. Not many 9 second N/A cars are going to do that. While the initail set-up is costly, in the long run it more than pays for itself. Not sure about NO2, but I'm going to find out come spring and I'll let you know... I hoping to drop a second w/ a 150 shot and other off season upgrades...