I understand having connection between pipes can help balance the exhaust pressure and help scavenge like older H-pipes. But when you take two 2.5" steams of hot, flowing exhaust gas and cross them, making them occupy the same space for a small time, it seems like a restriction to me. It's like two 2.5" pipes into one 2.5" pipe then back into two.
If the motor is idling, you might imagine alternating putts, just missing each other, but at 2K RPM & up, it is like 2 solid streams colliding with each other?
Anybody follow me on this?
If the motor is idling, you might imagine alternating putts, just missing each other, but at 2K RPM & up, it is like 2 solid streams colliding with each other?
Anybody follow me on this?