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Polyurethane Thrust Arm Bushings
Powerflex and Strongflex both make polyurethane bushings for the Thrust Arms of the xi. The Strongflex are a little cheaper. There have been some reports of squeaking from poly bushings, but some have obviously not had this issue. How do these compare with the m3 rubber bushing in terms of performance, durability, and NVH. I unfortunately can't afford the mono-ball suspension and would be concerned about NVH.
Peter
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