Factory 7 Fire-Breather 240cc Cylinder Kit

Fire Breather 240cc kit

Can you tell me which is better Fire-Breather 240cc Kit or CT 240 Sonic kit??
I have red that CT is beter but how much more h/p will it give?
 
Can you tell me which is better Fire-Breather 240cc Kit or CT 240 Sonic kit??
I have red that CT is beter but how much more h/p will it give?

If you want to ask someone that works with both, then go to Project Blaster and ask Winky about both.

He is the only engine builder that I have found that will give you straight answers when asked a question.