Help me understand

So I have a 2010 Grand touring with a 6Speed manual transmission and I had the impression it was a 6 port… but I recently had a drastic drop in fuel economy did my digging and summed it up to a leaky injector

Anyways when I went to replace the injectors I found it to only be a 4 port?? I thought 4 port engines were reserved for automatics in the 2010s

There is no history of a engine or transmission swap on the car when I look it up by vin there’s no transmission type but it says the engine is “13B California high power”