Air/Fuel

I've been running an AEM wideband for a year and it's worked like a champ. Here is a great deal on one for $166, that's almost $100 less than I paid for mine last year.

[ame="http://www.amazon.com/gp/aw/d/B000CFQM4G/ref=redir_mdp_mobile/191-2010128-1807410"]AEM 30-4100 UEGO Controller Gauge:Amazon:Automotive[/ame]


Edit: For some reason the link isn't working, but just search Amazon for an AEM UEGO wideband.