With an innovative new decarbonizing technology, AUTOPROFI OXICAT cleans the entire exhaust system, dissolving soot and carbon deposits throughout. TO BE EFFECTIVE, OXICAT REQUIRES THE VEHICLE TO REACH AND SUSTAIN THE WORKING TEMPERATURE OF THE CATALYTIC CONVERTER. Used regularly, OXICAT is ideal to help prevent the buildup of noxious residue that can cause a vehicle to fail required emissions tests. It is specifically engineered to meet or exceed recent environmental standards, protecting both your vehicle and the environment. OXICAT is specifically engineered to be used as part of a proactive care plan to optimize vehicle performance and engine life. It is NOT a "mechanic-in-a-can" and is not engineered to repair vehicle exhaust systems.