looking thru ecs tuning for some control arms replacement and found these

Audi C5 A6 Quattro 2.7T > Suspension > OEM > Control Arms > ES#2130099 MTC Upper Control Arm Kit - 4D0498104

if any one has tried them or know anything about them let me know.

i am planing to buy these or either FEBI blistien upper control arms for my a6 2.7t 2002

thanks