BMR aluminum diff bushing lockouts

[Horizon5.0]

I have a 19 A10 GT that I plan on supercharging in a bit. I want it to corner and handle exceptionally well, and I am doing multiple suspension upgrades soon. I'm stuck between the polyurethane and aluminum diff lockouts. I know the aluminum are better, but they make more noise. NVH doesn't bother me, but the car is daily driven, and if its too excessive, then it would be a problem. If the aluminum kit just makes a slight gear whine sound, I would not care. If it is obnoxiously loud, then I wouldn't want it. I haven't found a single answer to the level of noise it makes. If anyone here has the aluminum lockouts, what is the NVH like? More specifically, highway driving at 75-85mph, how loud is it? While most NVH doesn't bother me, I do a lot of highway driving, and don't want an overpowering, obnoxious gear whine piercing through constantly for hours on end on the highway.

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[B229218]

I have a 19 A10 GT that I plan on supercharging in a bit. I want it to corner and handle exceptionally well, and I am doing multiple suspension upgrades soon. I'm stuck between the polyurethane and aluminum diff lockouts. I know the aluminum are better, but they make more noise. NVH doesn't bother me, but the car is daily driven, and if its too excessive, then it would be a problem. If the aluminum kit just makes a slight gear whine sound, I would not care. If it is obnoxiously loud, then I wouldn't want it. I haven't found a single answer to the level of noise it makes. If anyone here has the aluminum lockouts, what is the NVH like? More specifically, highway driving at 75-85mph, how loud is it? While most NVH doesn't bother me, I do a lot of highway driving, and don't want an overpowering, obnoxious gear whine piercing through constantly for hours on end on the highway.

Go to Kelltrack and get the big Bertha upgrade kit it comes with the largest bolt upgrade you can get. The kit comes withheavier, duty, rubber bushings. Polyurethane indefinitely will give you atrocious, ringing and humming noises.