I am assuming you are talking about the Catalytic Converter. You might have to replace because it is not meeting smog requirements. The "cat" uses heat to burn any remaining fuel that the engine did not use after combustion. They are prone to failure by there very nature of needing high heat to operate.
Legally you can only replace a catalytic converter with another catalytic converter.
You have to remove the transmission to replace the torque converter.You have to remove the transmission to replace the torque converter.
Yes you can replace a catalytic converter. No you cannot replace it with resonators. It is illegal and the engine will not run correctly.
You replace the torque converter.You replace the torque converter.
Replace the catalytic converterReplace the catalytic converter
Replace the catalytic converter.Replace the catalytic converter.
A catalytic converter may last the life of the car. There is no set time to replace it.
The catalytic converter should be bolted onto the exhaust pipes. The bolts will have to be soaked in penetrating oil to be able to break them free, then you can replace the converter.
Replace the catalytic converter.
Torque converter clutch? Remove transmission Replace Torque converter Reinstall
How much does it cost to replace the catalytic converter on a 1999 Toyota Tacoma
The Titan booster does not have a catalytic converter