Upgrade your classic car's audio system with the Lectric Limited Horn Wire Extension Harness, specifically designed for the iconic 1963 Buick Fullsize and Riviera models. This durable 42-inch harness ensures a reliable connection to your 4-note trumpet horns, enhancing the auditory experience while keeping the original aesthetics intact. Unlike generic alternatives, our harness is engineered for fitment and longevity, making it the best choice for your restoration project.