Check out our all new hand-made-in-the-USA slip-on exhaust system for the 2006 Yamaha FZ1. Huge gains in horsepower (+6hp) and torque (+5ft-lbs) are achieved while eliminating 11 lbs of dead weight all while retaining the center stand! This high performance exhaust system features stainless steel tubing and a Titanium Silencer with our new tapered conical endcap.