Custom Tuned expansion chamber Dyno Joe Pipe and a pair of mounting

and a pair of mounting bolts

but it can get confusing keeping track of the numbers

Here we have Squishband/ combustion chamber cutter

weld in center stud bend wings to fit your own digital angle finder

CNC cut pieces then final adjustments made using the dyno

Custom Tuned expansion chamber Dyno Joe Pipe and a pair of mountingThis is A custom designed expansion chamber for your saw. Send your powerhead in for port mapping so the chamber can be tuned to your engine. Designed with a great pipe program, CNC cut pieces then final adjustments made using the dyno. 22 or 20 gauge mild steel pipe ready to bolt on. fully dyno tested for best performance on your engine. Will be a 4+ week turnaround time from the time we get your powerhead. Price is for Custom tuned Pipe only, and