If the remap is better in every way, why wasn’t it just made like that in the factory? What am I missing?

  • kersploosh@sh.itjust.works
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    2 months ago

    Power and fuel economy are not the only two variables. Emissions are the biggest thing that comes to mind: your new high-performance remap might put your car outside of the emissions limits for your market.

    Some aggressive remaps can also adversely affect how the car drives in normal use. Think rough idle, or jerky acceleration. The vast majority of drivers do not want that.