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Yellow Stains On Bumper - Joe Z + Ppe Headers


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Hi everyone,

I have a joe z + PPE headers (no cats) setup on my white ISF. I'm getting yellow staining on the bumper around the exhaust from the gasses/heat (not exactly sure). Has anyone else had this problem and more importantly does anyone have a fix for it? I'm looking at preventing it rather than cleaning products so if anyone can help I'd really appreciate it.


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well you have no cats

so thats why your getting the stains

theres 2 solution

1 get paint cleaner and clean the bar up every 2-3 months or so


2 Get some cats installed

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Thanks Danny. I was hoping to keep the catless system so I'm thinking of having the exhaust tips modified to angle the air flow down and was even thinking of ceramic coating the tips to reduce heat. I'll let everyone know how I go.

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