Torps are an incredibly versatile unit, able to crush corvettes but still lay the hurt on other frigates, all for a very low tech cost. In addition, torps are one of the best killers of collectors in HW:R, so they don't even lack follow-through power.
Build time:55 => 58 (+5.45%)
Max forward/strafe speed:176 => 165 (-6.25%)
Agility:
Acceleration time increased
Weapons:
Heavy torpedo:
Base damage:1550 => 1400 (-9.7%)
Damage mults:
vs Capitals:1 => 1.1 (+10%) To keep matchups with capitals the same