I agree that a tune can make a car feel so much more powerful. I had my 08 Civic Si tuned with Hondata Flashpro and I felt a good amount of power midrange as it lowers vtec engagement to 4k rpm and raises redline to 8.6k rpm. The Flashpro also enables launch control limiter. It also fixed the rev hang issue in the Si.
Can someone explain exactly what the uprev tune modifies for the 370z?
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