The Akrapovic Optional 4-2-1 Stainless Racing Header Set offers high-quality construction using lightweight materials, providing increased performance. Crafted from the finest stainless steel, this header set ensures superior power, a beautiful design, and the signature Akrapovic sound. Explore the features and benefits of this racing header set: Finest Stainless Steel Construction: Engineered with top-grade stainless steel that ensures durability and resistance to corrosion, delivering long-lasting robust performance for your motorcycle. 4-2-1 Header Design: Optimises exhaust flow through a 4-2-1 configuration, enhancing engine efficiency and power output, resulting in a noticeable increase in overall performance. Lightweight Materials: Utilises lightweight materials to reduce the motorcycle s weight, improving handling and agility for a more responsive and enjoyable ride. Perfect Performance Mapping: Requires specially developed mapping to maximise throttle response and durability, e