Yes but as far I am understanding the description of map 4 it is specific for Golf R or Audi S3.
You will be free to play with the other maps. When you have purchased a JB4, start with a log on map 1 or map 2 and post it on the jb4 logging thread. Then we will see how it will go on
Why should you be limited to map4? Where did you get that? There is no limitation that I am aware of...
With map 1 you should reach around 270-280 hp.
With a proper map 6 you can reach stage 2 power levels of a flash tune. Around 300-330 hp depending an the gas you are using.
After quite a while with the following map6 settings, I would like to hear your opinion on it.
Mods: Turbo In- and Outlet, Papercross drop in, mod. stock airbox
Fuel: Shell V-Power 100 ROZ - should...