Just wondering what maps people are using in the UK seeing as the fuel octane level is higher? i use shell v-power and i think its 98 octane? because the jb4 will be mapped to US fuel.
Not got the jb4 yet, just doing abit of research, will also be getting a de-cat downpipe.
Not got the jb4 yet, just doing abit of research, will also be getting a de-cat downpipe.
JB4 UK
