Carbon Tech Carbon fibre reeds are 100% aerospace grade carbon fibre meaning they last longer and give better performance. Designed to help boost performance and power. Carbon Tech Reeds bolt directly to your stock reed cage without having to modify anything else on your intake system. Improve power delivery in the lower RPM ranges. The low tension option is best suited for increasing response and initial acceleration. They will not damage your engine. Reeds come with a quick jetting guide and installation instructions.