AKRAPOVIC RACING LINE EXHAUST SYSTEM - 1810-3139Constructed using lightweight race proven materials A carbon fiber muffler outer sleeve, heatshield, and clamp, a titanium end cap, stainless steel header, resonator, and link pipe, and a black coated aluminum muffler bracket create a weight saving of 39. 6% (3. 2 kg) over the stock exhaust Alternate routing of the exhaust places it on the right side of the machine (the standard version goes under the bike), resulting in a more racing style The carbon