Originally Posted by tee_rexx
I seem to recall Subaru using a figure of 50 lbs at 90 mph which would be pretty close to the ones above. Something is happening back there cuz the back of my car seems to always to be more dirty than the rest of the car.
Hehe...I wondered if the dirtiness of the back of the car would improve when I removed my STi wing.
I replaced it with the regular WRX spoiler...it made no difference...it is still dirtier than the rest of the car.