Originally Posted by Steve@TopLevelAuto

my car is kinda down right now, so unfortunately everything has been halted. I need to get it off and get the jig done and then I can get a better idea on price

Originally Posted by STi2EvoX

Cool, but does locating the o2 sensor there prevent it from sending proper signals to the ecu to adjust the air fuel ratio? That is afterall the goal of the o2 sensor, to monitor the richness or leaness of the exhaust gases and send the info back toi the ecu for adjustment when needed. Although this ties back into a subject of confusion for me; the open loop vs closed loop thing. I can't remember for sure, as I always confuse these two, but isn't closed loop used when running full throttle where the air fuel ratios are adjusted from predetermined tables in the ecu mapping, taking into account of course the signals from the air temp sensor on the intake/throttle body, but ignoring the 02 sensor? Open loop would then be for cruising and light throttle scenarios and would use the 02 sensor for adjustments on the fly adjustments to get better emissions and mileage. Do I have these right, or am I backwards... or incorrect altogether? I remember some tuner telling me that this is how it works, that the reason the 02 is not used in full throttle applications is because the 02 sensor can't send info to the ecu to adjust the air fuel ratio quickly enough, and that that's why it is bypassed in favor of relying on a pre determined map from the ecu. Any info to clarify this for me would be great, thanks. BTW the pipe does look really cool, though.

Originally Posted by EvoX_SA

Thats seems like a pretty good price.