I have my own stickers on the front air dam, so far they're sticking just fine, even under the high-pressure hose at the car wash.
Wierd, but the only stickers I've had a prob with are the big CALMINI letters on my sunroof. It's peeled back 3 or 4 times now when hit with hi-pressure spray.
It may have had something to do with the truck being parked outside in -20 temperatures for over a week...
Yeah, maybe the adhesive congeals and cracks up?.. I figured the opposite'd happen here in PHX, where
most anything will melt if left in the sun too long summertime..(I always liked a nice clean look on my vehicles and never added decals. Must be something about the yellow
) Needless to say, I've had NO probs with any other stickers and my rigs been plastered with 'em