THis is a comparison to a gs-r but still, same principles.
The JDM ITR 4.785 FD will improve your acceleration dramtically.
As you can see, it will pull a lot harder when compared to that of a SI/b16
most dramatically in 1-3 you will see a noticeable difference. Highway cruising rpm will be somewhere in the 45oo+rpm at 80mph
Here it is: