How To Remove Melted Material From Dirt Bike Exhaust?

How To Remove Melted Material From Dirt Bike Exhaust? Paint Remover (works well for burnt on rain suits) Generic oven cleaner. Acetone (found in most fingernail polish removers) Carb cleaners / starters. Mineral Spirits, Paint Thinners, Gasoline, Diesel, etc. WD-40, Goof off, etc. How do I get melted material off my exhaust? How do you