Quote:
Originally Posted by DSTL
Seems like a theme with this car, more confirmation that exhaust on top of a tune doesn't add much of anything. Not set in stone of course with limited data to this point, but makes sense with so many intake / exhaust mods on the stock tune showing a leaner afr. Thanks for all the hard work figuring this stuff out.
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Do you mean, that bolt-ons such as exhaust and intakes only add power due to its natural ability to lean out the stock map? And that when tuned, this is already being addressed by the tune itself? So on stock ECU, intake and exhaust add X amount of power. But once tuned, those same mods bolted up do not add anything? That would in theory indicate that the stock exhaust and intake may not be as restrictive as perceived. This kind of would make sense. But during Perrin's testing, they were still able to improve the torque dip and power by adding intake and exhaust on top of the Ecutek tune. One would think that all mods should work together. This is all interesting stuff. I can't wait to see more results once finished.