ok so what i have here is a 05 ls sport and i wanted some input i have been debating for months wether or not to do a port n polish on my head.
right now i have cold air intake springs and wheels not that the last to make a world of diff to the car other then looks and center of gravity but i wanted to know if anyone has done this already and what they have noticed from the before and after i have a shop in mind to do the work later down the road im eather going to turbo or supercharge it more or less s/c just seems easier i know the numbers wouldnt be near as high as turbo but this thing has got to last untell my child gets outta school or i win the lotto i am sure she's going to get outta school before i win the lotto lol

 

there are other mods you shoukd do before the head. u dont even have a full exhaust