Flapper valve

f00g00 · 11-07-2006, 11:37 AM

For the NA people, does anyone know how to control what RPM the valve on the Y pipe opens? Mine is opening around 4200 rpm which if I remember correctly it should be about 1000 less than that.

11-07-2006, 11:37 AM	#1
f00g00 12psi boost Join Date: Aug 2005 Location: Kuwait Posts: 292	Flapper valve For the NA people, does anyone know how to control what RPM the valve on the Y pipe opens? Mine is opening around 4200 rpm which if I remember correctly it should be about 1000 less than that.