Enhance your car audio experience with this comprehensive bundle. It includes the Stinger RKFR6 Roadkill Fast Rings 6" & 6.5" and the Audison APK 163 Prima Series 6.5" 3-Way Component Speaker Set; AP 1 AP 6.5 AP 4 Grilles. The Stinger RKFR6 Roadkill Fast Rings 6" & 6.5" kit is a 3-piece foam ring system that effectively resolves acoustic coupling issues between aftermarket speakers and factory openings. This results in increased speaker output, enhanced audio projection, and reduced unwanted reflections for improved sound quality. The kit is designed to fit 6" & 6.5" speakers and offers features like reducing panel vibration, improving mid-bass response, and easy peel-and-stick installation. The included foam rings help prevent wave interference and cancellation, maximizing speaker performance. The Audison APK 163 Prima Series 6.5" 3-Way Component Speaker Set stands out with its AP 1 tweeter, AP 4 mid-bass, and AP 6.5 woofer configuration. Each speaker comes with a dedicated crossover for seamless integration and high-quality sound reproduction. The AP 1 tweeter features a 26mm diaphragm for efficiency, while the AP 4 mid-bass offers extended frequency response and high efficiency. The AP 6.5 woofer boasts a 32mm pure copper voice coil for power handling and precise low-frequency control. Additionally, the speakers feature water-repellent treated paper cones for durability and optimized profiles for easy OEM placement. The Audison designers have taken special care to simplify the replacement process and ensure optimal performance without jeopardizing the car's warranty. The system's components are thoughtfully designed to provide a superior audio experience without compromising on ease of installation or sound quality. Upgrade your car audio system with this premium bundle for a truly immersive sound experience on the road.