Do you have a Type S? Otherwise how are you not able when the Draw-Tite #24954, which is a 1.25", has been documented to fit Integras with very little hassle?
It was fairly easy to remove the plastic by first starting cuts all around with a fresh blade and then crack pieces off with pliers. Too bad the underlying holes in the metal don't correspond with high/low marks but I marked them with a sharpie and then scored them with the blade. I also...
What tune are you referring to?
Mine slipped with Map 2 of the Phearable tune. I believe Map 1 is similar to stock power levels but with a more linear torque curve.