Hummer catalytic converters from AutoAnything, let you keep your performance while curbing your emissions. They are custom sized so that they bolt right on in place of your factory one and our Hummer catalytic converter is built to last! They meet every single EPA standard and have a 50,000 mile warranty.
Have a Question?
Have a Question?Ask a product expert!(800) 874-8888Live Chat
Our Hummer catalytic converters are completely legal in California, as well as all other states. And our Hummer high flow catalytic converter will prevent exhaust flow backups by cutting through pollutants better. A smart thing in these times! Grab a catalytic converter for your Hummer and check out our other fabulous Hummer accessories while you are at it!