Wideband location for tuning AFR
Posted: Tue Jun 11, 2013 8:44 pmGiven that the h6 has seperate headers/exhaust until they meet at the 3rd cat, where do people place their (aftermarket, for tuning) WBO2 sensor?
one side of the headers before the first cat?
2 WBO2s?
one side of the headers before the first cat?
2 WBO2s?