I know if I get the cats taken off for my exhaust, I need an O2 sensor. I don't want my "check engine" light to be on, so can anyone point me in the direction of what exactly I need? I have an 01 and am getting turndown Flows.
TTORA forum is the best Toyota off-road club around. We are nation wide with chapters in most states. Come in and discuss Tacoma, 4Runner, Highlander, & TRD models.