Quote:
Originally Posted by new2subaru
How is the NVH from all the SPL parts (heim joint bearing) I wouldn't expect much being they are teflon lined but am curious. I am thinking about going the same route myself. I've heard noting but positive things about the feel.
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They're surprisingly quiet given how solid it is. You will definitely hear them if you go over a good bump / dip / pothole, but generally they are quiet when flexing. On the down side, though, you will definitely feel a reduction in ride quality due to losing the play that was in the factory bushings. It's hard to put into words, but the best way I can think to to visualize it is that it's about the equivalent additional harshness of going 2-3 clicks stiffer on my dampers.
The flip side of all that, is when you find some good asphalt the car feels basically perfect. It's like driving a go kart, steering response is immediately with no slop, changes in road angle or going into a curve feels like it sets immediately and weight transfer occurs more quickly. It really feels great.
It's also a bit difficult for me to judge NVH in isolation because I've done so many other things to the car which affect NVH.