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455 Posts
Finally got my Z-fi. Hit up Mar Mo in Marietta GA on friday and hung out while they installed and tuned it. They let me bring in a cam and shoot some vid which was cool of em.
The gains aren't crazy significant on paper. 2.59 HP increase. around 12-15%. In action the bike is much more snappy. The acceleration from 3k to 8k is much better. It pulls the entire time. It still goes flat over 9k and I didn't gain anything up top. 94 is still the best I can do. Could go with velocity stacks next to see if I can get close to what DRC is getting but Im worried I'll lose the low end. Anyway here is a vid. and dyno. Bone stock best pull verses modded best pull.
The gains aren't crazy significant on paper. 2.59 HP increase. around 12-15%. In action the bike is much more snappy. The acceleration from 3k to 8k is much better. It pulls the entire time. It still goes flat over 9k and I didn't gain anything up top. 94 is still the best I can do. Could go with velocity stacks next to see if I can get close to what DRC is getting but Im worried I'll lose the low end. Anyway here is a vid. and dyno. Bone stock best pull verses modded best pull.