It doesn't exist.
There used to be a bug with Vulcan Minigun that made you run faster with short barrel mod, but it's been patched long time ago. Like 5 years ago with update 83.
not sure what you mean with gun that increases speed, it could be the minigun glitch mentioned above, but you maybe mean the judge shotguns with HE rounds to lower your health and break your armor to get the yakuza boosts and second wind boosts
sliskiepalce is still here. QQ you did great runs some years ago - i watched them all, some time ago! and i was thinking on this minigun bug too that gives you 20% more speed (if i remember right) by equip 2 mods back then.
Hi we have a lot for you today, first is a new version of RNG modifier containing a lot of new RNG for many heists as well as a lot of new NPC RNG specfic for speed running, most of these are civ RNG but we have added guard spawns for some heists to make them a bit less punishing to run. We also hav
