fuel pressure psi

Hooked up fuel pressure guage off fuel rail today. solid 35psi startup and idle. I go WOT and it jumps to 55~60psi then drops down to 45psi. Is that too hight for a 3bar FPR? It's either FPR, Fuel Filter or Fuel pump Anyone test their Fuel pressure at WOT? 2000 9-3 SE stage 4 (hardware &...