Clean exhaust from paint

[bebetter1983]

Does anyone know what i can use to clean this exhaust smoke of the paint from the picture below.

 

[The White Shadow]

Does anyone know what i can use to clean this exhaust smoke of the paint from the picture below.View attachment 35622

I use Simple Green to clean mine. It's strong, but won't damage the paint. It's also biodegradable. If that doesn't work, you may try something like 409, but I would wipe it off good afterwards and apply a coat of liquid wax. That will make it easier to clean in the future. I prefer Chemical Guys products, but that's just me.