Map 0: Stock bypass. This is the only map you may use the OBDII diagnostic port with. Set to map 0 before dropping off for service, using a BT, etc. Map 1: 13psi (suggested for most stock applications) Map 2: 14.5psi (suggested for those with downpipes and 93 octane) Map 3: Progressive meth mapping with flow sensor failsafe. See guide to enable. Meth use isn't supported/suggested without a flow sensor and map 3. Map 4: Stock map w/ CAN active. Allows full logging and in dash gauges on the stock mapping. Map 5: Autotuning map. Boost ranges between 12-17psi based on your cars octane, conditions, and modifications. Fully E85 compatible. If using E85 we suggest around 30% to start. Refer to the E85 FAQ for addl info. Map 6: User defined map generally only used for diagnostics or troubleshooting. Map 7: Race gas map. 18.5psi peak boost on the G5 ISO. Requires straight 100-104+ RM2 octane unleaded racing fuel. The expensive stuff. We do not suggest using leaded racing fuel. Map 8: Economy / Non-Turbo map. Triggers a 3100 "reduced power mode" code while active. After switching back to a normal map you will need to restart the car for the code to clear. Co do map, kazda jest inna I do czegos innego sluzy. Dla mnie? Mapa 7 jest zaje.... z wysoko oktanowym paliwem totalna miazga nie to auto. Przyrost mocy jest bardzo duzy I inponujacy. Co do downpipes, do tego jest mapa nr.2 I bledow nie ma. Ale chlopaki z burgertuning wymyslili zajefajny gadzet I problem znikl calkowicie. Jb4 ma wiele, wiele innych opcji. Jak robisz upgradey w aucie typu cooler itd dobra jest mapa 5 tz. Auto tuning.