m6 to m7 change

[catgod]

hey guys some people were saying i dont need a boondocker box, just the jugs pistons and a head...doesnt seem right to me ?
is there any truth to this ?
lookin for some more hp from my 600

 

[ippielb]

700 top end and ECU, or a boondocker box. OR just get your ECU reflashed i believe.