your own risk but my mate fitted a Chinese k04-001 which he brought because there CHEAP 200miles of stage 2 boost and the impeller shaft snapped, on the cooler front they mite of improved there QC on them then
 
we could go on all day with this banter but it ain't our thread to start this so, let's leave it at you have your opinions which I agree with to some degree and I have mine ok bud