Magnum Pump- Superjet

I am considering a Magnum Pump for my 1996 superstock Superjet. Any information about performance gains would be appreciated. I talked to the people at Skat Trak and they had no actual top speed or accleration

if you have a good motor with some good hp you should see a 1.5 to 3mph gain in speed if you can pull a taller prop.better hookup in the water and great acceration.this is with the set back 12 the normal 12 vein will be a little slower on top end.worth the $$$$$ it costs. tim z