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No drilling is required to mount this heavy-gauge
Seams are hand pounded after stamping process for that factory look
2022-2023 Aprilia Tuono 660 Factory - - 2022 Aprilia RS 660 Limited - - 2021-2023 Aprilia RS 660 - - 2021-2023 Aprilia Tuono 660 - -
Feature Drag colors and emblem
Represents the first step in the tuning process
IN STOCK Graves motorsports Kawasaki Ninja 400 + Z400 + Ninja 500 + Z500 Velocity Stacks ABK-EX4-VE Relay No drilling is required toGraves 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