The only thing I installed on my car is the filter and exhaust. Everything else was way too hard to do and I let Toyota do it. Plus, it kept the warranty intact which is good. Toyota's supercharging most of their vehicles which is neat to see. I don't think there is a kit for the Camry, Echo, or the Celica. The Corolla XRS is a 2zz engine, but it's compression is too high to supercharge. Major risk in blowing up the heads and motor. All their trucks have supercharge options. The Tacomas and Tundras are fast when they are supercharged.