This rear Carbon Frame is a low Weight Conception to concentrate 2 Functions in one
1: it substitutes the stock (1.9 kg ) rear Frame
2: it also substitutes the (300 gr , 1Liter) Breather Tank
Technical Data :
Weight : Standard Version : 780 gr (incl. Silencer Holder)
SL -Version : 530 gr (incl. Silencer Holder )
Volume : 3.7 Liter
Material : Carbon / Carbon unidircetional
Breather Funktion :identical to Orig:that means:
Athmosphere Exit
Oil reduction
and much better (efficient ) oil / Air
Seperation
Compatibility :
Seat : especially designed for Durbahn Seat
Electric : Relais , CDI , etc. : new location
Silencer : Orig: ( with distance part )
Rear Cushion : Orig.
Your Advantage : Weight , Oil / Air Seperation ,better Air -Flow out of rear Cylinder ( Heat ).
Detail pic : Athmosphere Air - Exit : click to
enlarge 
For more rear Frame Pics : see Exhaust