You know you own a SVT Focus when a mustang blows past you on the highway, and you return the favor on the offramp.
You know you own a SVT Focus when people in far superior cars are impressed with your little focus.
You know you own a SVT Focus when the first 3 minutes of your drive you can hit 35+mph without ever touching the gas pedal.
You know you own a SVT Focus when you get pulled over, and ask the officer "Does it look like this car can do 130?" and get away with it.
You know you own a SVT Focus when ricers all want to race you, and you dont bother because you dont need to race to know whos faster.
You know you own a SVT Focus when you see another SVT, and nearly crash from your excitement.
You know you own a SVT Focus when you have a small inventory of 02 Sensors in your trunk, right next to the quart of oil, donut, and pack of 10w fuses.
You know you own a SVT Focus when your family makes up excuses just to take your car.
You know you own a SVT Focus when you spend at least 6 hours a week fixing or cleaning something in the car.
Ill steal this one from the Mazdaspeed Forums, but i thought it was funny, and in some cases appropriate:
You know you own a SVT Focus when you are in your living room minding your own business when your SVT throws a rod through the window at you just to get your attention.