I juts got these... very nice price and same dynamax ultraflow design:

http://cgi.ebay.com/ebaymotors/ws/eBayIS...e=STRK:MEWNX:IT

still not in hands, but they look to be a good option... I will be experimenting.

there is on youtube a white silverado with those ( only video I could find )

With a Charger born in Chrysler assembly plant in Valencia, Venezuela