First, cutting off your exhaust after the catalytic converter may make your car louder. This is because the catalytic converter helps to muffle the sound of the exhaust gas. If you cut off the catalytic converter, the exhaust gas will be able to escape more freely, making your car louder.
Second, cutting off your exhaust after the catalytic converter may cause your car to smell more. This is because the catalytic converter helps to clean the exhaust gas of pollutants. If you cut off the catalytic converter, these pollutants will be able to escape into the atmosphere, causing your car to smell more.
Third, cutting off your exhaust after the catalytic converter may damage your car's engine. This is because the catalytic converter helps to protect the engine from damage by harmful exhaust gases. If you cut off the catalytic converter, these harmful gases will be able to damage the engine.
Finally, cutting off your exhaust after the catalytic converter may be illegal in some jurisdictions. You should check the laws in your area before cutting off your exhaust.
If you are considering cutting off your exhaust after the catalytic converter, it is important to weigh the pros and cons before making a decision.