rd adjustable pipe

[nashport_native]

which way do i adjust the pipe for more low end?

[Jerry Prokop]

so the pipe is longer. The easy way to remember is if you look at a 125 vs a 250 2 stroke birt bike pipe. 125's rev higher = sorter pipe 250's lower reving= longer pipe

[cdrookie]

don't waste your time, you won't notice much