coilovers aren't always a good idea....you've gotta look at the quality before you get them....get some cheap stuff, and the ride'll be shit....probably look damn nice when parked, but that's about it....you'll be rolling into all your corners....

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and I don't know too much about coilovers.....but the corolla and camry have fairly different suspensions...with one of the reasons being because the camry weighs so much more than the corollas...so I'm pretty sure that the coilovers won't work for the camry....
but ask around and try to verify before you drop a couple of grand on your coilovers....
good luck 8)