installed intercooler!!:D... I have custom turbo kits for rx8s, they are one of a kind, rear mounted turbo kits, I can build you a custom bolt on kit, i have tested mine against a 05 turbo rx8 and mine has won in a number of test, good response times, and very fast, if you want a custom kit, please contact me, we can make it to what you want, you have the option of picking what you want unlike the kits of there now.