Toyota Sequoia Catalytic Converter

Where I Live At No Emissions Testing.. Last Year Shop Told Me I Needed To Replace Both Catalytic Converters For Around $1,500.00! Way Out...

Good Morning.. Someone Cut And Stole The Catalytic Converters From My Suv Last Weekend.. I Went Out To O'reilly's Auto Parts...

Code P0420. How Do I Diagnose This Code To Be Sure It Is The Catalytic Converter Or What Can I Do To See If I Could Turn It Off For Good?

My Car Makes Sort Of A Choking Noise When Driving, Mainly After Changing From The First Gear To Second, After Goes To Second Gear, Noise...