Newest addition and tyre questions

Hey brains trust. So excited i had to show off ny new snorkek!! Lickily foind an oem toyota one on ebay cheap so i snatched it up and made my own bracket. Had it fitted in around 15 minutes, super stoked! Next mod will be tyres. Im looking at bfg ko2 all terrains as ive had them on orevious vehicles and loved them. Whats tge biggest tyre size people have fit on their suoer customs. Mines a 95 full time kzh106.