Technician A says that headers do not improve performance at low rpm unless they are specifically tuned for low rpm use. Technician B says that longer header pipes tend to improve low rpm performance. Who is right?
A)Technician A only
B)Technician B only
C)Both A and B
D)Neither A nor B

Question

Quizplus · Accepted Answer

Headers can indeed improve performance at low rpm if they are specifically designed for that purpose, as mentioned by Technician A. Technician B is correct in stating that longer header pipes tend to improve low rpm performance because they help with exhaust scavenging at lower engine speeds.

Technician a Says That Headers Do Not Improve Performance at Low