Selling my vent integrated computer by p3Cars.
This display tells you boost, temp, rpm, throttle pressure, speed, 0-60 times, and intake temp just to name a few.
It also allows you to read and clear codes.
I have had the vent for about three weeks now and love it. Reason for selling is I'm getting rid of the 535.
New this costs $540 I'll let it go for $450