Will this bolt straight to my stock catalytic converter?

Yes, this is a full catback system—it connects directly at the converter and uses factory mounting points. No welding or modifications needed.

Do I need to remove or reprogram anything else during install?

Just the stock muffler and rear section. No ECU changes or O2 sensor work required—this bolts on as a direct replacement.

Can I paint or ceramic coat the burnt tips if they tarnish?

The burnt tips are a finished stainless steel product. You can polish or wire-brush them to restore shine, but coating them will hide the finish. Test any product on a small area first.