For stainless exhaust pipes. Fast and safe acting agent to remove blue, gold and brown discoloration on stainless steel exhaust systems. Perfect combination of active chemical ingredients and selected polishing alumina. Corrosion inhibitors eliminate the risk of damage to unstained surface areas. Sparingly and easy to apply to effected areas. No inconvenience of overspray or masking required. Also suitable for welding seams. Contains no VOC.