Grand Prix White 968 Porsche yellowed around exhaust pipe

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imported_pdsterns

New member
I'm detailing a Grand Prix white Porsche that get lots of track useage and I find myself dealing with staining over a 10" x 10" area on the rear bumper around the exhaust pipe. Most of it comes off fairly easy but I'm left with a slight bit of yellow stain after a few passes with an orange pad and some Meg's DACP. Should I get a little more aggressive or do we think that the clear may have yellowed due to the heat or the exhaust. Just looking for someone who might have dealt with this before.
 
I had something similar on a white MINI Cooper S that I tracked a lot. Turned out it wasn't a heat issue but a stain from the oil/gas/fumes that got caught in all the tiny pores in the paint (clear) surface. Agressive polishing one time and a frequent re-seal with a sealant fixed the problem.
 
pdsterns said:
I'm detailing a Grand Prix white Porsche that get lots of track useage and I find myself dealing with staining over a 10" x 10" area on the rear bumper around the exhaust pipe. Most of it comes off fairly easy but I'm left with a slight bit of yellow stain after a few passes with an orange pad and some Meg's DACP. Should I get a little more aggressive or do we think that the clear may have yellowed due to the heat or the exhaust. Just looking for someone who might have dealt with this before.
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Hit with something a little more aggressive, just make sure to avoid building up heat since bumpers are really sensitive to that. There should be plenty of paint due to the re-paint.
 
Guys, it's not a repaint and I just put a little extra work into but not very aggressive and it turned out pretty decent, a slight yellow tint but down so low on car very hard to notice. He was very satisfied.
 
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