That would be vdry easy to do. Just follow the steps carefully:
1. I guess you are having a locked bootloader. So first unlock it and install TWRP. To do these follow this thread:
here
Instead of using twrp from the above page download it from here:
here
2 go though several rom and kernel threads, read the maximum number of pages you can so get kind of idea about what other users are experiencing and figure out what would work best for you. I again insist
read. Particularly go though the thread of the rom, kernel or mod or whatever you'd be flashing. You'd be happy to help yourself later.
3 last but surely not the least. Learn to use the search function here on xda. This would help you save your time. For example, all the links i have mentioned above are from oneplus 3 's xda section only. If you had searched efficiently you would have got everything right away.
have a ball