Copen — Installed a Sports ECU for More Power!

The Copen’s engine revs beautifully, and even in stock form, it offers plenty of enjoyable power. I was really satisfied with it. Compared to my other car — a Toyota Gaia — the difference in throttle response, smoothness, and engine character is like night and day. After driving the Copen, the Gaia feels more like a delivery truck! (lol) But... as humans, we always want more. Honestly, I started to feel that the Copen's engine was being restricted by Japan’s kei-car regulations, and wasn’t showing its full potential. After all, it runs on regular gasoline — whereas my old Skyline Turbo used premium! So I decided to upgrade the Copen by installing a high-octane ECU. There are several sport ECUs available for the Copen, but I chose the one from D-SPORT . Why D-SPORT? Simple: My Copen was purchased at Daihatsu CarNet Itami , a direct Daihatsu subsidiary. D-SPORT products are handled there, and I felt reassured knowing there was official D...