Introducing the GTR Lighting Ultra 3 LED Fog Light Bulbs HRT0377 for 2014-2023 Toyota 4Runner - the ultimate upgrade for your vehicle's lighting system! Our HR Tested kits guarantee a perfect fit, optimal function, and top-notch performance. With nearly a decade of design refinement, the Ultra 3 stands out as the brightest, longest-lasting, and easiest-to-install LED bulb on the market. Featuring cutting-edge Custom TST 7045 chips, these bulbs emit ultra-bright light in a focused beam pattern, outshining the competition. The adjustable collars ensure a safe and useful beam pattern, reducing glare for oncoming traffic. Built for reliability, our heat-sink design maintains low operating temperatures, extending the lifespan of the bulbs. Plus, the Ultra 3's compact footprint ensures compatibility with any application, making it the go-to choice for those seeking the brightest, most reliable LED upgrade. And here's the clincher: a Limited Lifetime warranty from GTR Lighting gives you peace of mind on the road. Don't settle for less -- experience the Ultra 3 difference today!