What sub for 1300 watts at 1 ohm?

I currently have a single 12 that’s 800 rms 1250 max wired at 1 ohm. My amp is 1300w at 1 ohm. I was thinking of replacing my 12 with a 1300 rms 2600w max sub and wiring it at 1 ohm. Would it make a huge difference?