ok these are probably prity stupid questions, but idono and that why im asking... so i have a 89 civic dx hatchback, and im swaping the engine to a dohc zc.. so now i want to kno how do i go about buying parts for it? like an exhast sysytem, would i buy the one for a 89 civic or for a zc? or like a turbo kit, how would i know if it would fit, space wise or watever? so when im buying parts for the car now, what catigory should i look under? thx