If you've never driven a car equipped with the giggle juice, drop whatever you're doing, bookmark that T&A Web site, pull up your pants (they shouldn't be down anyway, it's a freakin' tech page), and ...

Nitrous is known for its instant-on demeanor, and if you're planning to take big hits from the bottle, it used to be that only a fat set of stickies out back could get you moving from a dig. Not so ...