kn filter to 421 cub ?

[banshee 33]

hello i have an rdz cub
35 pwk
shearer pipes

could you tell me what kn do i put it on

ru 1090
ru 640

or another

and you what have you got in same conditions
thanks

[rjatv]

Originally Posted by banshee 33

hello i have an rdz cub
35 pwk
shearer pipes

could you tell me what kn do i put it on

ru 1090
ru 640

or another

and you what have you got in same conditions
thanks

You need RU-0620 K&N, i have them in stock ready to ship if your interested, go to rjatv.com