so my question is two parts...the first i am pretty sure i know the answer to but want to make sure. If i have a weapon mod say on my arms that says "class abilities recharge faster when using an arc subclass" and then have a helmet that says the exact same, does that affect stack? secondly...assuming the answer to question one is no, what about similar affects? if i have the "class abilities..." example from above in the chest and then my helm has "grenades recharge faster..." does that mean the grenades will benefit from both? finaly...in the "class abilitiy..." mod what exactly does it affect? grenade, melee, the circle ability, and the super all?