With the AC off and the cooling fan not running, these mounts are very nice. No vibrations and very close to stock. Although as soon as the engine fan turns on, the vibrations increase, but still isn't bad. God help you if you are running the stock 750rpm idle setting and have the AC turned on. Cabin vibration is harsh and anything loose will vibrate loud and drive you crazy at a stop light. If you are daily driving your RSX, I would not recommend these mounts if you don't have K-Pro. That being said, these mounts do hold the engine much better. Wheel hop is completely gone and the throttle response is much better. Induction noise sounds great when you are gunning it. After about 3k miles, the mounts loosen up a bit and the 1st/2nd gear jerk happens again. I'm sure once I get K-Pro I'll like these mounts more. Until then I will probably reinstall the stock rear (firewall side) mount to reduce vibrations. Mods on car: -Short Ram Intake -Hondata Reflash -KTuned Race Header -RS-R ExMag Catback

The engine is stiff so i guess they do their job, but ny car does vibrate pretty bad.

Honestly, these motor mounts are excellent. Just the right and left mounts are able to handle the weight of the motor and transmission which makes the rear mount icing on the cake. The car does exhibit a little additional vibrations, but it has definitely settled down. Even on cold mornings, the vibrations are bearable. My only complaint comes with installing the rear mount. Unless you drop the subframe, there is no easy way to torque down the bolts that attach the rear mount to the subframe with hand tools. Because of that, I incorrectly tightened one bolt which then proceeded to get stuck in the nut. I ended up having to cut it off with a dremel which was less than ideal. I'd recommend vibratechnic consider threading those holes similar to the factor rear engine mount to ease the installation.