Just a little wiggle....??

Heys I need a little direction on my current project. I did a flip kit on rear end and lowered my front end too. I had a front end alignment done to straighten front up.

I had her out cruising last night and at highway speeds I noticed a slight wiggle or twist when I took foot off the accelerator and then a twist back when I accelerated again?? It doesn't seem to do it at slower speeds or so minor I can't feel it.

I'm wondering if anyone has experienced this before. My thoughts are maybe the rear axle is not square or the rear axle is rotating in the saddles?

Any help or suggestions would be great. Thanks

You 100% sure everything is tight? I had something similar when the U-bolts had worked loose over time. I noticed it most when letting off the gas but it felt funny when getting back on it, too.

Richard

possibly a bad u joint or bad driveline angle