IN STOCK Graves motorsports Kawasaki Ninja 400 + Z400 + Ninja 500 + Z500 Velocity Stacks ABK-EX4-VE Body Features a wide

Features a wide

This stack kit improves power throughout the entire RPM range

Graves Motorsports Fender Eliminators for the 04-05 GSXR 600 + 750 are designed to eliminate the stock rear fender to give the bike a more race inspired look

For use with square sissy bars only

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

IN STOCK Graves motorsports Kawasaki Ninja 400 + Z400 + Ninja 500 + Z500 Velocity Stacks ABK-EX4-VE Body Features a wideGraves 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