Quote:
Originally Posted by chris_flies
I got no NVH increase when I went to solid subframe bushings, but when I tried the same solid bushings on the diff, the NVH increase was insane. It sounded like I had straight-cut gears it was so bad (turns out the diff was also bad, but I didn't find that out for another year). Went down (but still an overall upgrade) to M3 front position bushings and a Powerflex purple rear bushing.
blossom Bushings didn't really help the instability while braking for me. Turning off nannies in the DSC module helped a huge amount with the sway and instability. Could also be your braking technique, I quickly learned that stomping on the pedal and riding through ABS is the least stable way to brake.
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Think about it.
Solid diff bushings, rubber subframe. Most of the NVH is absorbed now by the rubber in the subframe. Solidify that, and now you have nothing really absorbing it, except the property of the metals and existing insulation on the floorplan. That's it.
Considering piecemeal feedback of each component is completely illogical.