Akrapovič titanium Evolution exhaust systems are designed for riders that demand maximum performance from their motorcycles. The systems are significantly lighter compared to the stock exhaust system and feature exceptional production quality, hi-tech materials, and increased engine performance combined with pure racing sound output. Perfect welds complement a combination of racing materials like titanium and carbon fibre.Special motorsport edition produced for Supersport riders. Satisfies FIM Supersport 2013 noise regulations.The exhaust system must be used in combination with ECU fuel mapping enrichment. If not, severe engine damage may result! THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.