| Gears do what they should do. Not much to comment on there man. They do a great job at what they are designed to do. Props to Mark for heading the production on the gears. WI should not replace race fuel. It should be used to help aid in a safe tune for street driving, and similarly for race set ups. There is a GREAT group buy going on right now for the WI kit. If you have the money jump on it. They do two different things. Both can be used to help the Z perform better. Its up to you.
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