A Arm and Brake Line Question

[300ridr]

if i get +3 400 arms, will in need +3 400 lines? im thinkin about fullflight arms, is that a bad choice?

[vampyre666zz]

I have +2 400ex arms and my stock brake lines JUST make it. Anything wider and your gonna need brake lines. I would just get some +2 300ex lines and call her done