Do your best!! Daihatsu! This is an earthing cable specifically for the Daihatsu Copen (LA400K). Easy and fun to install yourself (DIY). Installation from the battery negative terminal to the earthing points. (8 locations in the engine compartment) Made using the highest quality OFC earthing cable (8sq) from Nishi Osaka Densen SKILL. Cable colors: Racing Blue / Yellow / Red Product contents: Main unit, installation instructions with color photos, tie wraps, mounting nuts *SKILL original sticker included as a gift (limited quantity) Improved torque, improved response, stable idling, improved fuel efficiency Improved performance of electrical components, improved sound quality of car radio/CD, etc... can be expected. OP Muffler Earthing also available for an additional ¥600. Removes static electricity inside the muffler for smoother exhaust. Connects from the rear piece and intermediate flange to the vehicle wire harness stay. Flange side 8mm, vehicle side 6mm, flat braided copper wire 5.5sq, total length 25cm *See image *Neko Garage Tom original stickers are also sold separately. Available in 3 colors to match the earthing cable colors and an original gunmetal color, for a total of 4 colors. We hope your car runs well... Please, give it a try!