i notice in the above write up that it failed to mentioned some head works. the vtec hole of head must be closed otherwise oil will spill out and leak all over , this vtec hole is no longer needed as a new vtec line (external) is connected from the block to head
my daily driven b20vtec, combo of stock b18type R & b20zbottom
down pipe is 2.5 in
muffler is 4 inches in diameter
resonator power flow 3in diameter
header is 2.5 in
sounds like a jet
b20vtec NA
b20z bottom
b18c5 type r head
type r intake manifold
2.5 exhaust 4 in 1 headers
2.5 down pipe straight
cold air intake
5 inches inside diameter muffler
250whp @ 7k rpm