Rumour has it that the stock 2G MAS is good for over 400hp worth of air so if you've got a 2G don't bother with the optional MAS upgrade. On the 1G's it is highly recommended (by EFI Systems etc.) that you get the optional MAS upgrade, or, like Francois says, get your MAS modded. I have to admit, however, I haven't heard much about the performance of the PMS on a MAS modded 1G but I see no reason why it shouldn't work unless base adjustments in the PMS are indexed to the stock air flow properties of the base 1G MAS. You'd have to check with Extreme or EFI Systems on that one unless someone else knows?


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Cya O!
GiO
If its not popping flames, crank it up!