Oh MAN I love my NAISHes, but.... In 2003 X3 20 one strut had bad attached valves and they leak In 2004 New just 3 times in the water x4 16 had strut and the leading bladder valves leak it was completely detach from foil In 2005 Boxer 05 16 had a same problem as X4 With little help from friends a ha...