Graves Motorsports Yamaha R6 WORKS Velocity Stacks. This kit works on all 2008-2022 + models (with stock, FTEcu tuning or Yamaha Kit ECU). Electronically developed and tested at the track on the Graves team race bikes these stacks smooth power and increase horsepower across the entire power band of your R6 specifically effective in the mid-range. Designed for the elite rider seeking top of the line performance, fit, finish and value. This part was developed using the same technology that has powered the Graves Racing Team to 30 Professional AMA National Championships including 9 Superbike Championship titles and 3 Side x Side Pro Titles (Pro Stock and Pro Mod UTV). Note 2008-2009 models will need the current R6 control arm for installation. Scroll through images to see dyna charts using our WORKS 7 Full exhaust system with and without the stacks.
These kits do not contain instructions, they are intended for race technician installation.