I think he's asking if It's possible to get around the 290+ mark on na after some mods
If I do recall some one on here said ~265 is maximum achievable HP out of the na with all the basic bolt ons
From what I've read personally the srt would be better , more power out the box , as many mods as the na , just as reliable
Only two downsides , with an sc you have another possible issue to worry about and you loose the beautiful auto rising spoiler