After 67k miles of running my Whiteline bar on the medium setting my stock end-links are still in perfect shape. The stiffest setting is where you start having problems, but that's too much bar for a street car and even a lot of track cars unless you have some mega sticky tires. I have no plans to upgrade them
If they do ever bend or break they can easily be upgraded though. A failure of one would not render the car undrivable so I'm really not too concerned about it...and honestly a little curious to see how far I can push them similar to my stock clutch
The Whiteline 27mm solid rear bar is very strong, and honestly even the middle setting was too stiff when you're running the stock front bar. From my limited messing around, I think the soft setting is the better pairing for a street car w/stock front bar but some of that will come down to personal preferences and driving style. I have a ton of data to support my thoughts that Scheides calls my napkin math...maybe I'll post some of that up too
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