Front Catalytic Converter for Chevrolet Captiva Sport 12-15 Equinox GMC Terrain 2.4L 2010-2014 16581 39814071Features: It is resistant to thermal shock and cracking, long service life. It is high corrosion and wear resistance. Main function is to convert toxic 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. Great emissions control, high efficient and work efficiently. EPA OBD II Approved. Specifications: Tube Material: Stainless Steel Substrate