Kawasaki 2007 ZX-6R V.A.L.E. Slip-On Exhaust Systems: Our V.A.L.E. high performance slip-on systems are a perfect match for Kawasaki’s 2007 ZX-6R. By adding a Two Brothers Racing slip-on high performance exhaust system, you will reduce the weight, increase torque & horsepower and dress up the look of your bike. Designed and built with painstaking care and attention to detail, Two Brothers Racing is proud to release our V.A.L.E.? high performance slip-on exhaust systems for the 2007 Kawasaki ZX6-R, available in either titanium or high-temp carbon fiber canisters.Our large oval M-5 V.A.L.E.? exhaust system features our exclusive Teflon coated, blunted, cast magnesium outlet that not only looks great but also allows for various silencer inserts.The V.A.L.E. inlet design eliminates the use of springs and creates an adjustable mount that is solid when fixed in place. The system also features a thinwall s-bend tube that connects to the factory header pipes.Choose from Carbon and Ti versions from the pull down menu.