Cheapest expansion chambers?

[noyo]

Cheapest expansion chambers? Highest speed upgrade?

 

[GW's Motorized]

There are some cheap expansion chambers, but they aren't very good. The best, cheapest, and bolt on expansion pipe is the nasty jack.

 

[noyo]

There are some cheap expansion chambers, but they aren't very good. The best, cheapest, and bolt on expansion pipe is the nasty jack.

Link? Mph difference?

 

[GW's Motorized]

Link? Mph difference?

I don't have any experience with it, but I know lots of people like it

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