"Visit http://www.automd.com for more auto repair videos. Our Do It Yourself and auto expert community has you covered with this Repair-apedia of easy step-by-step instructions. The catalytic converter is an emission devise located in the exhaust system near the exhaust manifold. It reduces the amount of pollutants coming out of the exhaust pipe. You can check this link for the steps: http://www.automd.com/97/how-to-replace-a-catalytic-converter/"