Velocity Stacks What they do and how to make Air horns, ram pipes, air

I need to make some new velocity stacks for my individual throttle bodies as I had to break the last I walk through each step I take to research, design and manufacture some velocity stacks for my motorcycle individual throttle If you d like to support the channel please check out the 00:00 Introduction 01:09 What do they do 03:12 What is pule tuning 05:02 Taper or Parallel 06:28 Design and Making 09:13 Fitting and Testing 11:30 Summary Link to the research paper shown in the Link a great piece of practical testing by the legendary Dave Walker of Emerald showing maybe taper isn t all