Should I update my manufactures power cords?

“Manufactures” is a verb — you’re looking for the noun, which is “manufacturer’s” power cords. AQ “manufactures” power cords and are a power cord “manufacturer.” One is an action and the other is a thing. See the difference?  Argh!

Being a pedant can’t be healthy.

Mfg power cords are Garbage ,no matter how good your line conditioner is 

Thunder power cords starting with your amp and Dac would be a substantial upgrade .I use at m8nimum like myPowered subs ,Pangea sig mk2 power cords awg 14perfect for a LPS or router, that’s another story any junk wall warts get rid of them a good LPS power supply is a must if you want clean digital .

not 1 piece of equipment should even use the junk stock power cords !!

Oops. For a second I thought I had accidentally joined the Grammar Forum. I stay away from there, between my own incompetence and autocorrect I would be in a world of hurt.

@farne230 

Definitely you should upgrade PC for your preamp, amplifiers, and the source.  I don't use AudioQuest brand so I can't recommend.  Good luck in your search of upgraded power cords.