Sub Power Up is an ability in Splatoon 2.

Sub Power Up improves the performance of sub weapons.

Autobomb	Increases travel speed.
Burst Bomb	Increases travel speed.
Curling Bomb	Increases travel speed.
Fizzy Bomb	Increases travel speed.
Splat Bomb	Increases travel speed.
Suction Bomb	Increases travel speed.
Toxic Mist	Increases travel speed.
Torpedo	Increases travel speed.
Point Sensor	Increases travel speed and tracking duration.
Ink Mine	Increases range and tracking duration.
Splash Wall	Increases durability.
Sprinkler	Increases duration of high-power and mid-power phase.
Squid Beakon	Gives Quick Super Jump AP only toward Squid Beakons.