You have only two options:

1) Gut the pre-cats (or install aftermarket headers sans cats), install MILs, keep it off-road (legally) or take your chances with the emissions testing, etc.

2) Get the pre-cats replaced so the system works as intended. You can do the work yourself, but the parts are horribly expensive and are not available aftermarket.

I did # 2 (still under 8/80 warranty)

Steve


98 Contour SE Sport 2.5 Duratec ATX The wifey's car 89 Taurus SHO - 246K miles 94 SHO ATX - 190K 1997 F-150 5.4L ATX - The Workhorse 150K. ANY THREAD WITH "OMG" or "WTF" ETC IN THE TITLE WILL BE IGNORED!