How about.....
ZFG E50 tune, OEM downpipes, 2.5 inch full exhaust, stock intake, Whipple Intercooler
VERSUS
ZFG E85 tune, high volume fuel pump, OEM downpipes, 2.5 inch full exhaust, stock intake, Whipple Intercooler
Say same driver, average of three runs in each vehicle. I assume E85 would win??