Once engine speed over 2500 rpm, will entering power enrichment mode and also prevent lean burn lead to high engine temperature . Advance Ignition Spark Advance angle 6~8∘, improve power and top speed immediately.
● Unlock stock ECU engine speed limitation
● No need to change wire harness, just Plug & Play!
RFECU RF3A RS Race Only version Performance ECU Content: RF3A RS ECU x 1 / User’s instruction x1
