ok so i went to the shop where im getting ym custom exhaust put on...
i have an 02...
i have
hedman street headers
MAC offroad h-pipe
and two flowmaster 40 series mufflers... no cats, no resognators

my question is, the guy at the shop says he needs to drill whole in the pipe to put the oxygen sensors in... i dont know hwy he does, bu does this sound right?

 

the h-pipe and headers allreayd have o2 sensor bungs on them. Hes full of crap.

 

ok cool... so do i need anything else, so the engine lights dont come on?...
(like MIL ELIMINATORS, or new o2 sensors?)

 

reuse your o2 sensors they will need to be lengthened or you can get exstentions for like 85bucks i think they are? me i would rather do it for the 5-6bucks in wires and butt connectors it takes to do it yourself. Also i dont know if your tuned or not but a tune would fix it. IF your not tuned yet i assume you will soon because well its a good mod and i personly wouldnt waste the money in MIL eliminators when that money can go towards a tune to get more power.

 

yeah after the exhaust im looking into getting a tune gears and t-lok.
but thanks for all the help.