haven't got the -5 as yet just doing my research and from reading some forum threads it seems that the -7's come in earlier but really drop off at around 7000revs is this correct?
I like a high revving engine would get the -7 but would prefer to be changing gear closer to 8000revs ....
Thanks for the info Piggaz found them on green line your right not cheap but i will speak to my tuners and if they think there worth getting i will get them..