ryan05

i am fitting a full akra system, bmc race filter etc to my 08 r6 road bike. also do lot of trackdays. after a bit of looking up on net i am unsure which to fit, -power comander (and map) or -yamaha race ECU. does anyone no as to which is better to use, pros n cons etc. heard that the race ecu gives better performance but unsure if it affects rest of bike for road? can anyone help me please