Ok I went from bone stock to all my engine mods listed at once so I can't say how mucch the reeds n carb alone did but we dynoed mine up at kennedys at about 29 peak I think vs about 16 stock so almost doubled and it's not even bored over or stroked and that's with a trail port so I imagine a a race port will peak higher I was going for torque and reliability and have been very happy with the results ! It is like night and day for me I could never go back I think ull be super happy !