I've got a '90 YJ and have installed the Mopar MPI on it (Love it BTW). I'm looking to install some aftermarket headers on it. Does anyone know if I should order headers for a 4.2L motor, or 4.0 motor? How about brand? I don't have a ton of cash to spend, but i plan on having this Jeep forever, so I don't want to go too cheap either.
Thanks a ton!