Available from ABP Racing in Dettenhausen,Germany
It suits both the original and the NX 650 engined GB's. It has the same outer diameter as the stock GB pipes, but no inner pipes, so it has a better flow and reduce the head temperature on the engine. The sound using the original GB exhaust damper is deeper and it sounds now like a "real" thumper.
For more informations or to order , click here to send an e-mail: