Brighter: A specially designed filament and proprietary halogen gas mixture produces a brighter light Easy DIY Installation: A direct replacement for the factory bulbs in your vehicle, no modification required. Best performance in a clear lens Amber Light: Ideal for use behind an amber lens, in side marker and turn signal bulb replacement Smart Maintenance: Always replace bulbs in pairs to ensure equal brightness and color Pro Tip: When changing your bulb, never touch the glass. Always use gloves or a clean shop towel to reduce the transfer of oils during install The SYLVANIA SilverStar high performance miniature bulbs deliver a brighter, whiter light when compared to SYLVANIA Long Life. SYLVANIA achieves this using a specially designed filament, propriety gas mixture and a lamp coating that shifts the color temperature towards a whiter light. A brighter light can improve visibility in your interior lighting applications and increase your visibility to other drivers when braking or turning.