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5 Posts
Hey guys,
Let me preface my question by stating that I have spent several long nights scrubbing forums to better my personal knowledge and find answers, though it seems there is not much hard info on the latest generation skyactiv engines, especially the 2.5L, in reference to modifications... also, I have ridden motorcycles exclusively for the past 10 years, therefore this is a completely new world of knowledge for myself.
The question goes, even though a CAI or SRI and an axle back exhaust retain all of the standard sensors that the ECU bases adjustments off of, would the ECU be capable of adequately adjusting AF mapping after swapping oem for these parts? I understand that major changes to an engine are going require an aftermarket dyno tested tune, but I cannot seem to find a definitive answer to whether these two rather insignificant modifications will require a tune as well, or if the ECU is capable of properly adjusting for these changes.
For insight, I will be going with an axle back exhaust which retains the oem exhaust inner diameter all the way through, as I care more about efficiency than freeing up power. I will be looking for an intake with oem tubing diameter as well, as to allow the MAF sensor to measure correctly. My end goal with this 2018 2.5L is to retain a quiet yet better sounding, well mannered car, while also removing factory performance hinderings.
If you know of threads which will answer these questions that I may have missed somewhere, feel free to just leave a link. Any insight or experience is appreciated.
Let me preface my question by stating that I have spent several long nights scrubbing forums to better my personal knowledge and find answers, though it seems there is not much hard info on the latest generation skyactiv engines, especially the 2.5L, in reference to modifications... also, I have ridden motorcycles exclusively for the past 10 years, therefore this is a completely new world of knowledge for myself.
The question goes, even though a CAI or SRI and an axle back exhaust retain all of the standard sensors that the ECU bases adjustments off of, would the ECU be capable of adequately adjusting AF mapping after swapping oem for these parts? I understand that major changes to an engine are going require an aftermarket dyno tested tune, but I cannot seem to find a definitive answer to whether these two rather insignificant modifications will require a tune as well, or if the ECU is capable of properly adjusting for these changes.
For insight, I will be going with an axle back exhaust which retains the oem exhaust inner diameter all the way through, as I care more about efficiency than freeing up power. I will be looking for an intake with oem tubing diameter as well, as to allow the MAF sensor to measure correctly. My end goal with this 2018 2.5L is to retain a quiet yet better sounding, well mannered car, while also removing factory performance hinderings.
If you know of threads which will answer these questions that I may have missed somewhere, feel free to just leave a link. Any insight or experience is appreciated.