Go for it!! Daihatsu! This is an earthing cable specifically for the Daihatsu Copen (LA400K). This time only, we will produce 10 sets for ¥3900 (originally ¥4300). After the 10 sets are sold out, the regular selling price will be ¥4300. Easy and fun DIY installation. Installation from the battery negative terminal to the earthing points. (8 locations in the engine room) Made using Nishiosaka Densen SKILL's highest-grade OFC earthing cable (8sq). Cable colors: Racing Blue / Yellow / Red Product contents: Main unit, installation instructions with color photos, tie wraps, and mounting nuts. *SKILL original sticker present (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 ¥600 when bundled. Please inquire. Removes static electricity inside the muffler for smooth 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 beloved car runs energetically... Please, give it a try!