A little shorter. A little wider. To bump the power band a little higher= more peak hp. That's the idea. Sent from my iPhone using Tapatalk
I think SOW should sell a few of those mangy crosseyed cats, and spend a week with either Candy Red or Norcalboy. Hopefully either dude will stock up on that anti-flea stuff that SOW is touting. I think Bondo should work on SOW's ABS sewer pipe velocity stacks.
Thanks for the write up NorcalBoy, you made it fun. I guess the reason for variable length velocity stacks is easier to understand now. Was it Yamaha on the R1 that first did this?