Introducing the revolutionary XTR C Series LED Bulbs – where elegance meets functionality! Designed to outshine traditional incandescent bulbs, our C Series family offers a sensibly engineered solution for your lighting needs. Crafted from durable ceramic, these bulbs ensure longevity while the conical reflectors guarantee even and effective illumination for turn signals, marker lights, brake, and backup lights. With options in red, amber, and white, our 3157 XTR C Series bulbs deliver superior brightness and a perfect Color Rendering Index (CRI) match. Upgrade your lighting game with the unique and technically advanced XTR C Series – the last LED bulbs you'll ever need. Say goodbye to hyperflash worries too – our optional LED Load Resistors ensure a balanced electrical system. Illuminate the road ahead with brilliance, choose XTR C Series today!