Originally Posted by
paul73rc
Hi, I am a little confused. In your first reply you said "shorter pipe/manifold= more top end power" then on your next reply you said lengthen the silicone coupler to give more top end. So which one is it? Longer pipe more top end? Shorter pipe more top end? Sorry for the inconvenience, just trying to learn a bit about tuned pipes. Cheers
Shorter pipe gives more top speed. Longer pipe gives more bottom end.