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Google vht vinyl dye, i've used it a couple of times and it looks really good and seems to last pretty well too
Nothing will match to OEM 10 year old faded trim.
Only way to get a uniform result is to coat the lot.
Key word is VY, so not brand new.That's why I said "if you spray one half of lets say a brand new dashboard, will that half stand out?" Key word "brand new". Hence not 10 years old. I just wanna know if it has oem finish. In other word, will anyone be able to tell if it was treated?...considering you coat the lot