No, it is illegal in all 50 states.
Yes you can, but then your car will not be legal and also will not pass any emissions test.
It is illegal to remove a catalytic converter without replacing it. Don't cut it off, unbolt it.
Removing a catalytic converter and not replacing it is highly illegal.Removing a catalytic converter and not replacing it is highly illegal.
No, it is illegal in all 50 states.
No, it is illegal to remove a catalytic converter from any vehicle unless you replace it with another one.
Legally you can only replace a catalytic converter with another catalytic converter.
you can cut one of just about any car, but for what purpose for what car, for what diagnostic reason ?
I'm pretty sure that all gasoline or diesel powered vehicles in the U.S are required to have a catalytic converter. Yes, it is illegal to remove a catalytic converter in any state.
The converter is clogged or the engine is running way to rich or has a misfire.
Yes, it most certainly can if the converter is clogged.
Should you cut off the catalytic converter? No. But can you and will SOME vehicles actually benefit? Yes. It is illegal to remove any emmision control device from your vehicle in most if not all states. For countries such as Mexico where it is not illegal, some vehicles without downstream Oxygen sensors (after the catalytic converter) it can have some benefits. It is really the same benefit as a free flowing exhaust. Modern (97+) cars already have a free flowing design catalytic converter so there is no benefit to doing this.
A OEM converter should bolt in exactly like the original, an after market may have to be cut and welded in.
I am sure this would be possible, but it would no longer be legal to drive.