A remap with all the Bolt on mods, exhaust, intake, decats will only bring a 25 to 30 bhp power increase at most so not much really, but a remap does take off a slight power restriction in 1st 2nd and 3rd, so apparently makes the car feel alot better to drive.   I went for DE myself for the reasons it was cheaper to buy so more money to mod, there's not as many expensive common faults, and the speed/power difference between the DE and rev up/HR version will only really be noticeable in