Transform your vehicle's lighting experience with Morimoto's D2S to D1S Igniter Adapters. Don't settle for a lackluster D1S or D3S setup when you can harness the power of D2S bulbs. These adapters bring innovation to your headlights by integrating siemens igniters, providing over 23KV to reliably ignite your D2/D4 bulbs in any weather. has answered the call for D1S compatibility, offering a long-awaited solution for OEM D1 and D3 projectors. With seamless compatibility with most OEM D1S/D3S ballasts and D2S/D4S HID bulbs, these adapters ensure optimal performance, flexibility, and a brilliant road presence. Upgrade now and embrace enhanced lighting performance on every journey.