Koso High Throttle Kit [Cygnus X/2 Book Pull] BlackCygnus X F1 [Limited to vehicles with 2 throttle wires] Cygnus It can be fully opened. It also comes with a throttle opening memory, so you can see at a glance how much the throttle is open. Adopting colorful anodized aluminum, it has a beautiful design that will become a focal point of your vehicle. *Basically, it can be installed without any modification, but there is a risk of interference due to individual differences between vehicles. In that