Q: How to remove the catalytic converter on Scion xB?
A: To remove the catalytic converter from the 2AZ-FE system, first, take off the No. 1 engine under cover, then the No. 1 exhaust manifold insulator and air fuel ratio sensor. Disconnect the heated oxygen sensor, remove the front exhaust pipe assembly, and detach the exhaust manifold converter sub-assembly and heat insulators.