If your coming from a 1g mas anything will be a upgrade.I would say just get a 2g mas and your fuel cut will go away.I'm currently running 2G mas with 272's with 550's (i did have 450's in though) with no tuning piggy back at all and i get no fuel cut.
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"Sit right here pimpin,let daddy holla at ya,Now daddy can do this ALL DAY, EVERYDAY,NO PROBLEM". MAKE A PIMP DECISION