i think rap was merely making a humorous comment on the fact that anybody who uses one, already knows how beneficial and effective they are, and how obvious it is to them. it's kind of like asking if it hurts when you get hit by a bus. anybody who has been hit by one knows, there is plenty of data out there about it, and it should be obvious to everyone else.
94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating
www.968forums.com
"It isn't nearly as expensive to do it right as it is to do it wrong."