how do you raed you boost gauge as its not in psi, i only have the standard from the cluster and don't yet have an aftermarket gauge. the guy who looked at my car after i bought it told me it was holding 17 psi but i don't know how reliable that info is. as for the boost controller it a hks one with 4 buttons(power, low, high and manual) and a dial for adjusting the boost when on manual. hope this makes sense