well i had plans to turbo my car. had everything. started the install. then the hole frount crossmember thing really ruined everything. i i traded my turbo and hf manifold and adapter pplate for a complete zex kit... anyone ever used one of these? what kind of power did you gain? i might try it but ill probley sell it and buy another turbo and a real manifold. but i just wanna know what kind of gains people have gotten with them?