When you're filling up the family wagon and Johnny Cash himself tosses you a bottle of STP, what do you do? No, we don't mean this kind of STP- we mean the fuel additive in the red plastic bottle. Bonus points to anyone who can identify all three vehicles in this ad!
The Man In Black Removes Harmful Engine Deposits
11:00 AM on Thu Dec 20 2007
By Murilee Martin
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