http://www.***********.com/content.p...r-head-rebuild
Think the mods no like. Trying to help a member.
Here ya go.
"Peak power" of 353hp which is not toooo schabby
Mid range torque increase with no effect on idle.
You may want to drop a note to some of the tuners, TTFS comes to mind, as they all do this mod.
If I ever dump my non M for an M I would definitely go whole hog NA.