got my MD replacement and all 3 turbine gold replacement , no problem.
everytime i just call them on the google call thing, about 40 mins average they pick up, then send me RMA and free shipping lable. about 7 days after they recieve the broken headphones, they ship out a brand new in package replacement.
i never had any problem with the warranty, people on the phone is always american and nice , LOL.
all you have to do is call and hold for some time. its truely free lifetime warranty.
BTW, i dont mean to crush you, i bought my turbine gold for 168 shipped from onecall.com . regular turbines are not all that great IMO. id get the replacement and sell them then get something else