Originally Posted by all-4-stroke 
my buddy has a dynatech on his kawi and it was night and day kinda hopin to hear of someone with the same results on there griz
Hey there,
I have the dynatek cdi on my 660 grizz and I feel it is the best bang for your buck. Definately night and day difference, more throttle response, eliminates reverse rev limiter, and the quad doesn't "bog" down in the mud.
IMO
Rej