Tofunk2drunk

i got a couple questions.my 98 gt has magnaflows catbak, i want to put an h pipe on it with no cats....my ? is will there be spots on the h pipe for the furthest forwardo2 sensors to plug into, or do you eliminate all of you o2 sensors with this pipe?

also i dont know if my car has a pi intake on it, is there a way to tell?

Mark99GT

You don't eliminate any O2 sensors. They all remain, there will be bungs in the new pipe to screw them in. You will need either MILs or a tuner to avoid a check engine light.

PI manifolds: first intake runner (closest to front of car) is on the driver side. NPI manifold: first intake runner is on the passenger side.