Drippage from the exhaust pipe is nothing more the condensation from the pipe heating up. That is normal for any vehicle.
There was a problem with earlier xA's and B's clicking off the fuel pump before it was full but that problem was resolved and your vehicle shouldn't be affected by that. There was a fuel tank replacement TSB that went out but it was only for 04 and 05 vehicles. Your vehicle would have been built with the already upgraded tank.
"Fools", said I, "You do not know, silence like a cancer grows.
Hear my words that I might teach you. Take my arms that I might reach you"
But my words, like silent raindrops fell, and echoed, in the wells of silence.....
Toyota/Scion of Des Moines