Will this bolt straight onto my stock headers and cat?

Yes — this is a direct catback system designed to connect at the catalytic converter outlet with factory mounting points. No mid-pipe modification or welding required.

Does this come with gaskets, O2 sensor extensions, or clamps?

The assembly itself is included. Test-fit before driving to confirm what fasteners or adapters your specific setup needs — you may need gaskets or additional hardware depending on your headers.

Can I repaint or polish the tip after installation?

The tip arrives polished and stainless, so it won't rust or require paint. If you want a different finish, light polishing or ceramic coating can be applied — just avoid harsh wire brushing that can damage the surface.