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The only NVH difference I noticed with the USRS was slightly harsher/louder experience going over expansion joints, pot holes, and the like. I don't notice any NVH difference the rest of the time. Definitely worth it for the benefits to me. I don't have experience with Figs.
The volume makes it seem worse than it is. The car both physically and audibly thuds over large bumps lol. My IS350 has the factory bushing and does not do the same thing, although it’s still not a silky smooth ride for a factory car.
Having owned both RR Racing LCA and Figs Engineering LCA, here my direct comparison between two. Biggest difference between two NVH! Less with Figs Engineering than RR Racing. But that is to be expected based on higher duarmator of RR Racing and its design. Some very accurate information has already been discussed so I'm not going to repeat it. My recommendation if you live in area that has great roads silky smooth or you track your car often RR Racing would be my choice for road feel turn in etc. Were as Figs Engineering handle poor roads pots, expansion joints, bumps in roads etc with less NVH not as Precise feeling as RR Racing but I'm talking very minor difference in that department. So it comes down to your road conditions, where do you spend majority of time on track or streets. What's more important to you ride quality or performance. I live in suburbs of NYC. Some of roads in NYC are pretty bad. So for DD Figs Engineering work great for me. If I'm going to track my car I'll reinstall RR Racing LCA. I have lifetime wheel alignment service at Firestone bring back them set to my track specifications camber and toe which I can adjust on my car. Track it have my fun come home swap back in Figs LCA back to Firestone for my street specification. Hope this helps RR Racing LCA Figs Engineering LCA Figs Engineering LCA in corner Superpro bushings Superpro bushings Superpro front upper camber bushings +1 or -1 degree of camber For track KWv3 with both adjustable dampening and rebound Airlift3h performance suspension have used on track i was pleased with there performance not what I expected. Figs Engineering solid trac link rear knuckle spherical bearing bushings Figs Engineering sold rear spherical bushings Figs Engineering adjustable toe Figs adjustable endlinks
Going a little off topic but how are your front NO.1, lower control arm bushings? I have the NO.2 lower control arm bushings replaced with the RR Racing USRS ones for about a year but just recently discovered my NO.1 OEM bushings are destroyed. I figured the stiffness of the USRS pushed all those vibrations to the NO.1 OEM bushings. Not many mention that bushing and always fixated on the NO.2 lower control arm bushings.
Originally Posted by Weapon F
Having owned both RR Racing LCA and Figs Engineering LCA, here my direct comparison between two. Biggest difference between two NVH! Less with Figs Engineering than RR Racing. But that is to be expected based on higher duarmator of RR Racing and its design. Some very accurate information has already been discussed so I'm not going to repeat it. My recommendation if you live in area that has great roads silky smooth or you track your car often RR Racing would be my choice for road feel turn in etc. Were as Figs Engineering handle poor roads pots, expansion joints, bumps in roads etc with less NVH not as Precise feeling as RR Racing but I'm talking very minor difference in that department. So it comes down to your road conditions, where do you spend majority of time on track or streets. What's more important to you ride quality or performance. I live in suburbs of NYC. Some of roads in NYC are pretty bad. So for DD Figs Engineering work great for me. If I'm going to track my car I'll reinstall RR Racing LCA. I have lifetime wheel alignment service at Firestone bring back them set to my track specifications camber and toe which I can adjust on my car. Track it have my fun come home swap back in Figs LCA back to Firestone for my street specification. Hope this helps RR Racing LCA Figs Engineering LCA Figs Engineering LCA in corner Superpro bushings Superpro bushings Superpro front upper camber bushings +1 or -1 degree of camber For track KWv3 with both adjustable dampening and rebound Airlift3h performance suspension have used on track i was pleased with there performance not what I expected. Figs Engineering solid trac link rear knuckle spherical bearing bushings Figs Engineering sold rear spherical bushings Figs Engineering adjustable toe Figs adjustable endlinks
