Protect your underbody of the car with 3M antirust coating with 5 Years warranty. 3M Silencer coating protects the Silencer from Rusting. We provide antirust coating for all type of cars with 2 to 5 years warranty with free annual inspection and top up. Carspark has 2 branches in chennai. OMR 9962 600 500 Nandanam 8567 900 900