Akrapovic Exhaust Headers Honda Cbr1000Rr / SP / SP2 Features: A combination of beautiful machine and hand welds Integrated titanium exhaust hanger CNC machined muffler inlet cap Optimized to maximize lean angle Air-tight quality controlled production means your exhaust will be perfect High-quality, silicon-shielded stainless steel exhaust springs Titanium is 30-40 lighter than a stainless steel exhaust system