Rover 25 How do I design under the bonnet?

Seen a few folks here on the forum who have their underneath bonnet with graphic design to them. Looks mint to lift the bonnet up and see an amazing design and a cool engine presented.

With MG Rover being British icons and doing my car up at the moment, we are looking at doing our own design for under the bonnet.

I was thinking a Union jack with MG Rover badge in the middle.



Our only problem is how do we actually do this?

Some have put stickers on theirs and I can only imagine they must be treated for heat protection??



Any advice in the correct direction would be great. The engine bay itself is going to be a red and chrome theme. My car is solar red.

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