Arrow 71546GPI GP2 Dark Nichrom Slip-On Muffler w/Titanium End Cap/Stainless Steel Mid-Pipe for Honda CB 1000 R 18-24Arrow GP2 Slip On Exhaust Honda CB1000R The Arrow GP2 Exhaust is unlike anything else in the Arrow Exhaust lineup it was created from experience gained from racing in Moto2. The machines in Moto2 are all about winning, and to win those machines must be extremely light weight while squeezing out as much horsepower as possible. The Arrow GP2 was designed with this winning attitude. Features: Increased horsepower and torque Special laser etched Arrow GP2