Can you (or should you) re-map a Honda Civic Type-R FN2 petrol. Will it add much BHP and is it worth it?

Can you (or should you) re-map a Honda Civic Type-R FN2 petrol. Will it add much BHP and is it worth it?

You can do whatever you want. It's a free country.

It will just eat more gas for very little return.