ok i just bought the zzp ssm90 kit and i wasnt sure if i needed to buy the fuel pressure regulator since i bought the zzp billet fuel logs bc i saw there was a regulator on there but im not sure if there both the same. its for my 03 grand prix gt. really need someones help bc there is a optionj on the zzp ssm90 install kit but i diddnt pick it. and if i do where do i get one?