PLEASE HELP!! :important b16a axle question

i have a 88 civic dx hatch with a 89 b16a from a jdm integra xsi with the ys1 lsd tranny. I needed new axles so i ordered them from raxles, i heard they made quality stuff and the made it to spec for 4th gen with b16a ys1 lsd trans. My problem is since i put the new units in, there is a vibration that definatly wasnt there before. It vibrated at lower rpms, 3000-4000 and stops once over 5000, it gets worse under load at lower rpms. Its also worse with more weight in the car, my suspension has negative camber and possible off toe, I have eibich sprortline race springs with gr2 struts. Any advice or prior experiences will help. I may get new stock axles because Raxles has a 100 percent guarantee.Please help. I dosent vibrate on hard launches and after through the gears just at lower rpms when your behind the power band a little bit. WHats the deal? Still runs strong.

Usually b-series are gonna vibrate nasty cause of the motor mounts, especially Hasport. Its normal. I dont think you should worry too much. IF you still have doubts then double check if everything is on right and nothing is loose. If anything its normal bro.