Akrapovic Racing GP Exhaust System Yamaha R3 Features: High quality stainless steel headers and mid-pipes No fuel remapping required For peak performance J&P Cycles recommends use of a fuel controller A combination of beautiful machine and hand welds Patented hexagonal muffler Lightweight, compact and high-temperature-resistant carbon fiber muffler clamp CNC machined muffler inlet cap Optimized to maximize lean angle All carbon fiber parts are produced in-house Air-tight quality controlled production means your exhaust will be perfect High-quality, silicon-shielded stainless steel exhaust springs