Main function is to convert gases, pollutants to harmless gases, helps to purify treat car exhaust. By using it,it can help to improve exhaust gas velocity, save horsepower and torque. It is resistant to thermal shock and cracking,long service life. It is high corrosion and wear resistance. Great emissions control,high efficient and work efficiently. Perfectly matched with the vehicle, and can be installed easyly to existing exhaust system, cutting and welding may required, professional installation is highly recommended., Weight: 3.76770005758 pounds, Manufacturer: Paociuro