ok just dont really know much about this car but i might be trading my car for it... its a 1993 Nissan 300ZX Hatch Non Turbo But has 3" Piping All The Way Back To 2, 5" Tips.. All HKS. and dual cold air intakes... the car runs awesome and looks sweet... but if i get on it. it seems to not have much power and he said that it might be becuase of the 3" Piping??