Yes, or not.

https://wiki.eveuniversity.org/Implants



Maximum velocity
High-grade Snake 15% 200% 0.5% 0.625% 0.75% 0.875% 1% 24.73% +4
Mid-grade Snake 10% 150% 0.5% 0.625% 0.75% 0.875% 1% 16.02% +3
Low-grade Snake 5% 110% 0.5% 0.625% 0.75% 0.875% 1% 10.5% +2

Agility
Mid-grade Nomad 10% 25% 1% 2% 3% 4% 5% -26.93% +3
Low-grade Nomad 2.5% 10% 1% 2% 3% 4% 5% -17.39% +2

Warp Speed
High-grade Ascendancy 15% 70% 1% 2% 3% 4% 5% 62.17% +4
Mid-grade Ascendancy 10% 35% 1% 2% 3% 4% 5% 36.87% +3