my h22a w/ i/e/stock header made 165hp in my accord w/ skunk 2 stage 2 cams, crower springs and retainers, mugen chipped ecu and vafc tuned i only picked up 9-10 hp. Where is the problem. does it lie with the header? Will i need port and polish for the cams to come alive. ps. my but dyno felt a diffrence but obviously not the dyno any advise is appreciated..