Cygnus X/XR 
Injection air intake kit set
Contents: Throttle valve, intake manifold, manifold bakelite set, intake duct, filter pipe, high flow filter
Caliber specifications: 【#30】

Sixth generation war original throttle valve diameter 28
Recommended installation dimensions:
The original factory does not modify the cylinder → Throttle valve #30/#32, original pipe, orange sponge
Enlarge cylinder 59→throttle valve #32, enlarge pipe, orange sponge
Increase the cylinder size to 61 or more→Throttle valve #34, increase the connecting pipe, red sponge
※For #32mm throttle valve or above, you can choose "Keihin type" air intake kit

,Cygnus X/XR(七代勁戰)