stock engine upgrade

[zack24]

would a Chung Yang R270 CY27RC engine would be a good upgrade over a stock 26cc engine are should I just purchase a dom pipe for 89 bucks on ebay..are maybe a big bore kit if so plese tell me wich big bore kit would be best thanks....need help please respond in detail

 

[Guest]

You will want a good tuned pipe on either engine. Make sure the pipe is designed for your vehicle or it will not fit without modification.

 

[mnbaja]

The ddm Dom pipe really wakes up the stock motor.