Mike,
I didn't have to when i put on my bbk x-pipe with only two cats.
Excobra boy
> wrote in message
om...
> First off... let me just say.. I am *not* getting an off-road crossover
> pipe. BUT... I do wonder what MIL eliminators are (I almost typed MILF
hehe
> caught myself though) and how they work. As far as I know, they supposedly
> replace O2 sensors?? Would you need MIL eliminators with an H-pipe that
only
> had 2 hi-flow cats? TIA.
>
> -Mike
>
> --
> A happy kid behind the wheel of a 98 Mustang GT
> Cold air intake
> FRPP 3.73 gears
> Steeda Tri-Ax Shifter
> Full Boar turbo mufflers
> Hi-speed fan switch
> 255/60R-15 rear tires
> Subframe connectors
>
>
>
>