Yeah.. all I'm just going to quote Monty Houston.. "ooooh boooooiii..."

Modded 7 port nova, and then you run the craziest truggypipe setup
First you need to get rid of the 41001 manifold. That manifold shifts the powerband so that you get what you call the lightswitch effect, which would be great if you were running a standard BTT, but you've got a modded 7 port
Then you need to get rid of the 9886. That's also a crazypipe.

Basicly you need to get a more restrictive pipe and manifold setup which will smoothen out the power delivery. So you want the 41021/41029 manifold, 029 is the Mugen version, if you run a Mugen that is the one that fits.
Then you probably want to go to something like a 2096 pipe.

You might be wanting to go to 0.9 springs and plastic clutch shoes, and something like a 6 or 6.5 venturi, if you are on 8 now, 6.5 would probably help as a first step.