Hello ladies and gentleman, I would sell 1 of a complete exhaust for all your bikes. (I give you manifold for 748/916/955/996 series and 998 series to fit on your bike). The Santo Graal exhaust. In internet there aren't others item like this. I think the price would be around 2800/3000 €, but I wish sell them for 2200€ (you can do a sensible offers).