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Originally Posted by Pete_89T2
Yup, I do realize the cost of the Mazdaspeed parts are pricey as hell compared to the ES kit. The reason I asked about mixing & matching between MS parts and the polyurethane ES bushings is because in theory, the much harder/stiffer ES bushings dampen less that the stock pieces and might allow more NVH into the cabin. If you guys are saying the before & after difference regarding NVH is unnoticeable, then it would appear the ES kit is the no-brainer choice.
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The polyurethane bushings in the suspension points add very little NVH.
In fact, unless you're really looking for it, I doubt you could tell the difference between identical chassis' with identical mods with the exception of the suspension bushing differences.
In terms of STIFFENING the suspension, now most people would realize that there is something different!
If you have any type of upgraded suspension components (as most of us do), I doubt you would feel the difference; most would just chalk it up to the other upgrade suspension stuffs.
Even going from the stock 205 / 55 / 16 size tire down to a 45-series or 40-series tire is going to jar your spine more.
Energy Suspension does very good R&D on their products, so their product claims are spot on.
Man, I'm starting to sound like a commercial...
(Apologies, as I do not get paid to type all of this.)
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That's what I needed to hear regarding NVH differences. Have you been running the ES pieces on your FC? How are they holding up over time?
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The enemies of polyurethane are heat and UV.
Heat is negligible, and UV is non-existent.
-Ted