Start off by describing when the problem happened, how offten it occurs, at what rpms etc what conditions?
Check for boost leaks firstSecond, check your plugs replace if neccesary sometimes they get fouled.
Third you may be hitting a boost cut, your description is not good enough.
silline wrote:i have an rb25det with front mount apexi gt spec and hks ss blow off when i accelorate and hit stock boost i get a flat spot in power this suckscan anyone help please
--------------------------------------------------------------------------------
D-lux