id clean the crap out of them (i.e. clay bar, wash wax) then look into a clear coat for them and do a couple coats... that should seal them up and keep them going buttttt you might lose the matte aspect of it since the clear coat could give it a shine...
experienced wheel guys chip in?
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'09 370Z Touring w/Sport & Nav 6-Speed Magnetic Black Persimmon HKS NAV Tool Backup Camera 35% Tint SOLD
2015 Jeep Grand Cherokee Altitude Dark Gray
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