Keep your Audi's tinted windows in top condition with 3M's powerful and long-lasting Ceramic Boost Spray. 3M Ceramic Boost Spray's cutting-edge ceramic formula delivers top-notch protection and shine for your car's windows. Say goodbye to frequent touch-ups and hello to long-lasting protection and shine with 3M Ceramic Boost Spray. Looking for an easy and effective way to enhance the look and performance of your car? 3M Ceramic Boost Spray is the answer. Increase the lifespan of your car's window film by preventing dirt, smoke and grime buildup.