【Direct-fit Design】This item is Easy to install. We use 3D Scan Technology to Ensure the Installation Suitability. Direct-fit Design to fit your car to Ensure the part will fit like the Original equipment. 【Fitment】: Fit for Chevrolet Cobalt 2008 2009 2010, Chevrolet HHR 2008 2009 2010 2011 2.2L 2.4L. interchanges with OE part 22939742(Check Detail page below for specific adaptive Vehicle models) 【More Precious Metal Catalyst added】Add a Extra Precious Metal Catalyst that exceeds the requirements for EPA standards, which is the most important to improve catalyst efficiency and pass the Emission Test. 【Longer Service Life】We use the Best Quality Stainless Steel shell, OEM grade Honeycomb Ceramic Substrate, and More Precious metal Close to the Original Performance. JT EPA Standard grade catalytic converters are covered by a limited warranty by the manufacturers in accordance with Environmental Protection Agency standards. The substrate, (the guts of the catalytic converter) is warranted for 25,000 miles or 5 years and the container is covered for 50,000 miles or 5 years.