Auto Shack AutoShack Front Catalytic Converter Direct Fit Replacement for 2014-2020 Chevrolet Impala 2012 2013 2014 2015 2016 Buick LaCrosse 2013-2018 2019 Cadillac XTS 3.6L V6 AWD FWD EMCC26872 (EPA Compliant)

Please use Amazon's vehicle fitment tool (located at the top of the listing on desktop, below the images on mobile) to confirm that the part is correct for your vehicle application. The customer is responsible for paying the costs for returns of this part if the above fitment tool has not been used. Prepaid return labels will not be issued by the seller for this type of error.CAUTION:-46-State legal, meets Federal emissions standards-This product is not CARB certified, and it is not legal for sale or use in California, Colorado, New York and Maine due to state emissions regulations.-If your vehicle is registered in California, Colorado, New York or Maine DO NOT BUY this item.-Converters are designed to last the life of a vehicle. If your converter needs to be replaced it may be due to an emissions error/problem in your engine tuning. Converters that overheat due to engine problems may turn blue or bronze. These problems must be corrected BEFORE installation of a new converter.-Any modifications of any kind will void all warranty coverage for this item.-Warranty is voided if catalytic converter substrate is melted or broken; this is due to an issue with the car itself and not the catalytic converter.-Products damaged as a result of abuse, misuse, improper repair, improper installation, alteration or modification will not be covered by the warranty.-O2 sensors must be replaced when you replace the converter or warranty will be void. We have determined that failure of either the front O2 sensor (the front wide-band sensor), also known as an Air-Fuel Ratio Sensor or the read downstream sensor, can trigger a false P0420 code. Both sensors should be replaced with you replaced the converter.Six month warranty on all AutoShack parts.Please Note - AutoShack does not provide free returns. Cost of return is only covered in the event of an AutoShack error. Direct fit for installation onto existing exhaust system. 100% new EPA Compliant. Interchange: 16870, 674-048 . Professional Installation is Highly Recommended This product is not legal for sale or use in California, Colorado, New York and Maine due to state emissions regulations Made from premium quality materials to meet original specifications. Replacement for 2014-2020 Chevrolet Impala 2013 2014 2015 2016 2017 2018 2019 Buick LaCrosse 2012-2016 Cadillac XTS 3.6L V6 AWD FWD Please use Amazon's vehicle fitment tool (located at the top of the listing on desktop, below the images on mobile) to confirm that the part is correct for your vehicle application See more product details