A B16 head is usually mentioned for being far better for compelled induction as it's got improved stream figures compared to B18. Even so, a B18 head could be ported and polished to obtain similar movement figures as a single from the B16. The throttle body can either be enlarged https://jdmhondab16b29639.blogofoto.com/60770928/honda-b16b-things-to-know-before-you-buy