Do I need gaskets or hardware to install this?

The header assembly itself is included. Mounting hardware, gaskets, and any exhaust piping adapters are separate purchases — verify what you need for your specific exhaust setup before ordering.

Will this header work with my stock exhaust manifold flange?

This is a full header replacement designed to bolt at the cylinder head. Test-fit against your current exhaust piping to confirm clearance and connection points before committing.

Do I need to ceramic coat or paint this?

Stainless steel resists heat discoloration naturally, but you can polish, ceramic coat, or paint it for appearance — that's personal preference. Raw stainless will develop a patina over time with heat exposure.