[Perfectlap]

I use this every couple of months.

http://openroadmotoring.com/104017.html

this is what I use on exterior black plastic like the windshield plastic, window trim and rear bumperretes. It seems to lasts the longest
http://detailcity.com/poorboys-trim-restorer.html



you can repaint the wipers yourself using the dupli-color trim spray
http://www.duplicolor.com/products/bumper.html