Xjet M5 set up

1

I have a Simpson pressure washer 3700 psi at 2.5 GPM …I recently bought a xjet M5 #13 which is 2500-4000 psi at 4 GPM… will this set up work if not what will work?

2

Another machine

3

Ideally you can return that and buy kit 9 which is what your machine is rated for.