ive got a NGK powerdex AFX wideband gauge. its brand new in the box. ill let it go for $220 shipped. its supposed to be the best gauge out there. i dont need it anymore which is why it never got installed.
its this one here:
https://www.zzperformance.com/grand_prix/products1.php?id=1058&catid=107
if that link doesnt work its in the electronics section on ZZP
its this one here:
https://www.zzperformance.com/grand_prix/products1.php?id=1058&catid=107
if that link doesnt work its in the electronics section on ZZP