hello elvis i saw your one of the few, a proud owner of a cb 750 f2 is this one of the seeley phil read replicas only 150 built 1979 I also have one and am struggling to get the exhaust system made up I need the lot but especially the end 4 into 1.t can you help me or point me in a new direction i can't seem to find a replacement which is hardly surprising but also can find any dimensions to fabricate one please help!!!a very frustrated enthusiast.