High-quality construction using lightweight materials offers increased performance. This racing header set enhances your motorcycle's power and sound, providing a complete racing system for unmatched enjoyment. Here are the features, benefits, and outcomes of the Akrapovic Optional Stainless Steel 4-1 Racing Header Set: Stainless Steel Header: Constructed from durable, lightweight stainless steel, boosting overall performance and durability, ensuring long-lasting use and increased power for your motorcycle. Complete Racing System: When combined with any Slip-On Line exhaust for the Z900, it transforms the muffler into a complete racing system, delivering significant power gains and a thrilling riding experience. Enhanced Sound: Improves the exhaust sound, giving your motorcycle a crisper, racing tone that elevates the auditory experience. Tested on EU Vehicle Specifications: Developed and tested specifically on EU vehicle specifications, ensuring reliability and optimized performance f