So you say shorter final drive mean higher rpm's for highway cruising. That's what get me because the type r's final drive is 4:785 & 4:40 vs 4:266 in SiR. You would think the SiR would have a smaller final drive being 4:266 is smaller than the other 2. So at 80 in 5th gear what would the type r rpm's be ex: 5K rpm's @ 80 mph. thanks