This is my friend's rocket, brand new with less than 500 miles, he took the mufflers off and is building his own, do you guys see anything wrong with it? he wants to know
He needed to run the primary pipes into a collector so the header could create scavenging. Independent primary pipes work great with a forced induction. Then you have "Blow through" and don't need the scavenging effect a properly designed header creates.