Cdi Box Help The Good And Bad Thing

[casey88]

I WAS THINKING ABOUT GETTING A CDI BUT HOW MUCH DO THEY AFFECT YOUR QUAD WHAT DO THEY EVEN DO IS IT WORTH THE MONEY AND IF SO , WITCH ONE SHOULD I GET THANKS KC

[indyZrider]

cdi's raise the rev limit and give you a more aggressive power curve. however if you get one you will need to upgrade the valve springs to dual rate springs so you dont float a valve at high rpms. if you get one get the dyna fs. they are expensive but the best. good luck

[Donkey1]

I just got a dynatech fs and its great