Sport unlimited JL with 4.5 lift on 37s, what needs to be upgraded next?

[Huntertodd80]

I am new to this and this is my first post so I hope I am doing this right. Want some advice on what needs to be upgraded to keep the jeep reliable with such an aggressive lift on sport axles and gears. So far, when decelerating less than 10mph I get a lot of vibration/noise from the front end... thinking driveshaft maybe? Anyway, appreciate all feedback!

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[blnewt]

That is an aggressive lift for sure, what brand is it? How long have you had this lift and is this a sudden change as far as the vibration/noise? Any pics of your Jeep would help, and did you recently do anything harsh like banging a curb, nailing a pothole, or slamming around on rocks on the trail??