call Mark OBrien at Rogue he told me which tubes were the most important when I owned the 99 but I forget which ones myself...
I think the 2 on the left make more difference, the 2 on the right are mu followers, I think, but check with Mark he is a very easy fellow to talk to...
I think the 2 on the left make more difference, the 2 on the right are mu followers, I think, but check with Mark he is a very easy fellow to talk to...