Pocket bike expansion chamber?

Topic has been discussed many times on this forum. 2 stroke expansion chambers have to be designed for the specific engine. Just using one from another engine isn't effective and may actually hurt your engines performance.

Good Luck,

Chris
AKA: BigBlue
 
I use a reworked pocketbike pipe. Works really well for my application. I did extend the headpipe to improve low end torque
 
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