Not a Maggie owner but have had "the Ninja" install bypass caps on my crossovers - great to deal with and really knows his stuff. I would presume his products to likewise be first class.
Skiing Ninja Magnepan 1.6 xover upgrade
Any Maggie owners here given these a try?
http://www.skiingninja.com/Magnepan-1-6-Ninja-Noble-p/mag16nn.htm
http://www.skiingninja.com/Magnepan-1-6-Ninja-Noble-p/mag16nn.htm