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Enhance your motorcycle's exhaust system with the Yoshimura RS-4 Spark Arrestor Insert, part number SA-13-K-1. Crafted with precision, this replacement insert features a matte carbon fiber end cap that provides a sleek, modern look while ensuring durability. The all-new faceted end cap design not only improves aesthetics but also optimizes airflow and performance. Designed specifically for the RS-4 exhaust, this spark arrestor insert includes a custom matte carbon fiber heal guard tailored to each application, offering both protection and an added layer of style. The exclusive Yoshimura Works Finish elevates the overall appearance, making it a perfect upgrade for enthusiasts seeking a combination of form and function. Made in the USA, this insert guarantees high-quality craftsmanship and reliable performance for your motorcycle. Whether you're replacing a worn-out component or upgrading for improved exhaust flow, this part seamlessly
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