Quote:
Originally Posted by regal
The evap is generally going to be one hit on the readiness incomplete after I year or so, you don't want to have a cat incomplete if at all possible. best solution is to move the secondary O2 sensor to the behind the front pipe cat. It amazes me that none of the aftermarket front pipes have bungs welded in for this.
|
We do, actually. But it wasn't specifically for this reason, it's a general use bung for plugging in a wideband or for tuning. One of the problems with tuning the FR-S/BRZ is the dual tip exhaust system isn't the best for accurate A/F readings when you just put the sniffer in one of the tips.