P0420 - P0420 is when your car’s exhaust is so loud it sounds like a

P0420 is when your car’s exhaust is so loud it sounds like a bunch of angry dragons.

My car is making so much smoke, I think it’s trying to start a war.

I got a P0420. My car is smoking like it’s on a smoke break.

My car’s exhaust is so loud, I swear it’s trying to wake me up at night.