RX - 3rd Gen (2010-2015) Discussion topics related to the 2010 - 2015 RX350 and RX450H models

RS-R lowering springs feedback

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Old 02-17-23, 09:56 AM
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GknowFotos
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Default RS-R lowering springs feedback

I understand there's a very small number of folks on here that are running these, but hoping to get some feedback on your experience.

I installed them on my 450h and still up in the air about how I feel about them. I paired them when Bilstein B6s and KYB strut mounts and I occasionally get a slight thud up front and I'm left to believe it might have something to do with the strut mounts. Going to reinstall oems with new bearings and see if it helps.

Besides this, it's a definite improvement over stock although can't say how much of that is related to the springs or shocks.
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MattRX (02-17-23)
Old 02-17-23, 10:26 AM
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MattRX
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Looking forward to your updates. I have the B6 on mine but opted to not do lowering springs like on my Highlander and other RX. I wouldn’t be surprised if it was the KYB strut mounts making noise, I had one fail on my Highlander after a few years. The KYB struts themselves have been exceptional though on that car.
Old 01-27-24, 08:19 AM
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Ryster46
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Originally Posted by GknowFotos
I understand there's a very small number of folks on here that are running these, but hoping to get some feedback on your experience.

I installed them on my 450h and still up in the air about how I feel about them. I paired them when Bilstein B6s and KYB strut mounts and I occasionally get a slight thud up front and I'm left to believe it might have something to do with the strut mounts. Going to reinstall oems with new bearings and see if it helps.

Besides this, it's a definite improvement over stock although can't say how much of that is related to the springs or shocks.

If you don't mind me asking, were you able to install the OEM mounts and see if it resolved the issue with the noise concern? Thanks!
Old 01-27-24, 08:23 AM
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GknowFotos
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Originally Posted by Ryster46
If you don't mind me asking, were you able to install the OEM mounts and see if it resolved the issue with the noise concern? Thanks!
I did and it did. But I realized the knocking was really coming from but having the strut mount correctly oriented. Make sure the arrow on the mount is point out over the wheel.
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