Quote:
Originally Posted by JLarson
Alright that's pretty strange. Since your tune, any modifications or changes, even those that might seem insignificant?
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Only change is a ZSpeed undershroud instead of a stock plastic piece missing half its bolts... lol
Same gas, shell 93.
I do have that fang air mod that has the tubes running from the fangs to the filters to get more air. It DID have that while being tuned. But driving on the street vs sitting on a dyno with a fan I imagine is a large difference... but could it be that big of a difference to make the car run “way leaner” and lose a significant amount of power?