route

Does anybody tried or have this installed ? I will like to know more about it. https://www.yamamoto-eng.co.jp/item_detail/sf/0/0/0/0/2/497/mu/ For what I understood , 4.2kgs (... no idea of akra weight) it has the lower route with a kit of fiber lower cowl included, but no dyno figures...

Morning everybody, I've a quick question. I couldn't find too much information on it but I'm sure somebody here can help me. Would it be possible to put an exhaust made for the Duke390 on my RC? I'm sure I saw somewhere that somebody did it but I'm asking because IXIL is the route I'm...