Fuel Pressure Regulator on 2.0 16v Beefa Cupra

[statto_the_yid]

anyone know this is myth or fact that these things improve performance ?

 

[statto_the_yid]

an uprated one that is before the funny comments come, and recommend a good one?

 

[(beeza gti)]

fse power bost valve adjustable one,good if your running cams etc but total nonsense on a standard engine

 

[WeeJase]

only on a tuned engine, so as above,was surprised to see one on robT's mental beast. but its only needed when you get to that level of mentalness(230 odd bhp )