boyeson rad valves

[snowdad4]

anyone tried the boyeson rad valves in an srx or viper? if so, any feedback?

 

[snowdad4]

nobody tried these yet? i guess i will and see what happens.

 

[hanker37]

i used them in a couple of dirt bikes and had great results!increased throttle response for sure!

 

[yamaha621]

I have them in my 02 viper .. have rode it very little since install but feels good