IN STOCK Graves motorsports Kawasaki Ninja 400 + Z400 + Ninja 500 + Z500 Velocity Stacks ABK-EX4-VE Body This exhaust system was developed

This exhaust system was developed using the same technology that has powered the Graves Racing Team to 23 Professional AMA National championships including 8 Superbike Championship titles

The included universal mount kit allows the guards to be positioned independent of the angle of the levers

QSS/Blipper Harness to connect your new sensors to your ECU (Select Stock or Kit Harness from the pull down menu)

For use with square sissy bars only

This stack kit improves power throughout the entire RPM range

IN STOCK Graves motorsports Kawasaki Ninja 400 + Z400 + Ninja 500 + Z500 Velocity Stacks ABK-EX4-VE Body This exhaust system was developedGraves Motorsports Kawasaki Ninja 400 Z400 Ninja 500 Z500 Velocity Stack Kit. Developed through our in house race programs. These stacks create a 6% power increase for $129. 95 no tuning required! 1st & 2nd Charts show a completely stock bike compared to a bike equipped with the Graves' velocity stacks, WORKS2 full exhaust, DNA air filter and Graves FTEcu flash 3rd Dyno chart displays a completely stock bike with and without the velocity stacks no