You’ll still have to have the tune fixed for cruise and good luck with that. Mine never worked and I had the Bowler box. Some people do from what I understand but mine never was right. I’m auto swapped now.
That’s a 150mm Cobra Jet intake, and appears to be the 132mm tb. Nguage would be just fine and is easy to change tunes with. If you prefer to get a Dyno tune, there are usually people affiliated with tuners like PBD that use the ships Dyno and is still tuned remotely. Even after a Dyno tune it...
You could call lethal performance and tell them what you’re wanting to do. If you’re not in a hurry, they will have the kits on sell for Black Friday.
You’re not going to get to 775rwhp on 91 and to get to 850 on E85 you’re going to need a full return fuel system and to pulley down. Most tuners won’t tune for E85 without the return fuel system, some have done it in the past but won’t now.