[Picard]

How do I clean the black stain on the bottom of rack? The exhaust fumes caused the stains

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[Harold]

piss on it

 

[Shartist]

If the piss is ineffective, work human feces into the stain by hand using a circular motion while applying a moderate amount of pressure. Though the more laborious method, it’s the only surefire way of removing the exhaust stains from that rack. The key is the chemistry facilitated by the enzymes created by the coliform bacteria breaking down the carbon chains in the exhaust soot. It’s science.

Let us know how it goes.

 

[chazpat]

Next time by the black one instead of the silver one.

 

[Jack Burns]

LMAO!!!

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[iliveonnitro]

Chemical Guys Heavy Metal Polish if you can find it. If not, use Barkeepers Friend, found in every retail store with the kitchen cleaning supplies.

 

[93EXCivic]

If your exhaust is leaving black stains, you should probably figure out why your car is running rich...

 

[jrm]

does composure and contents matter

 

[Picard]

piss on it

My urine is too corrosive. It will eat through metal like butter.

Thanks for the tip but I am looking for a different solution.

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[Picard]

Chemical Guys Heavy Metal Polish if you can find it. If not, use Barkeepers Friend, found in every retail store with the kitchen cleaning supplies.

OK dokiee. I will look into it

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[Shartist]

My urine is too corrosive. It will eat through metal like butter.

Thanks for the tip but I am looking for a different solution.

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Read as "Urine won't work, but I haven't ruled out the feces method...".

 

[Shark]

Reroute the exhaust tip so it's not so close to the rack.
You risk melting stuff like tires if it's that close.