Graves Motorsports Yamaha R6 WORKS Velocity Stacks. This kit works on all 2010 - 2017 models (with stock or Yamaha Kit ECU) and all 2008 -2009 R6 (when using a 2010 - 2017 stock ecu, FTEcu flash or Yamaha Kit ECU).

• Electronically developed and test at the track on the Team Graves Yamaha race bikes, these stacks smooth power and increase horsepower across the entire power band of your R6.
• Notes: Images shown are digital renderings. These kits do not contain instructions, they are intended for race technician installation.