Better Power Cord for my Threshold Forte?


My Threshold Forte Model 3 (solid state, 200 wpc @ 8 ohms) has a power cord that looks like it could have come from a lamp. It also has only a 2-prong plug, wheras my other equipment (Arcam CD, Parasound P/LD 1100 preamp) have beefy cords with 3-prong plugs. Should I upgrade the power cord to my amp? If so, any recommendations which cord to use & who might install it for me? Many thanks.
klipschking
Mapleshaderecords.com
offers a unique item,
"Clearview Double Helix Power Cord Kit" that you splice onto your chopped short (by brave you) existing pigtail of a permanently attached power cord.
You can call or email the company to find out the real world results of this idea which lets a bit of the original puny vintage cord remain.
I use their power cords and power strips, but never had the courage to chop short a built in AC cord, although none of my permanently attached cords are as rudimentary or needy as what you describe.
Is there a way for me (modestly skilled) to attach either the MAC powercable or the Clearview Helix at the solder points inside the amp, as opposed to splicing the new cord onto a pigtail? Should I have a pro do this?? Thanks again.