I wouldn't.. If you are going to spend money on the car get some stuff thats at least proven like Ikeya, Wisefab, Marks Engineering or stick with OEM.
Loosing any suspension arm on a car is going to result in a big ££££'s accident or worse kill someone.
Even if the arm does not fail, you will only be dissapointed as when you next jack the car up after a few months to find out what is causing that "new" knocking noise, you will find that the "new" cheapo arm bearings are shot due to the bad roads salt and dirt. Uprated fully adjustable arms are really only practical and useful for track use where after every track event the car is checked, parts are cleaned or replaced and clearances are checked before the next event.
I don't mean to sound off and I understand that the OEM arms are very expensive, however if you want the car to last and give you "trouble free" motoring then look at the evidence, its taken well over a decade of use on the OEM arm to warrant replacement. Try and match that with an open bearing aftermarket cheap arm and well you simply wont, you would be lucky for it to last 6 months before you need start to need to replace stuff.
I have yet to see anyone talk in favor of these cheap arms as yet.. that has to be ringing big big bells...