Dyno run Impreza WRX 9

Dyno run with a Subaru Impreza WRX 2006 with 2.5l engine, HKS blow off valve, Walbro fuel pump and ITG air filter.

Supposed to have :
230 PS @ 5600 rpm with 320Nm @ 3600 rpm

Really have :
238.3 PS @ 5610 rpm with 372.3Nm @ 3680 rpm