Long tube headers
I think I understand most of the installation instructions, but on my stock exhaust the rear o2 sensors go into the catalytic converters. I am putting high flow cats in with the headers, but there is nowhere to install o2 sensors on the cats.
There are 2 bungs on the headers to install the sensors, but shouldnt the sensors be installed AFTER the high flow cats?
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'06 4.0 V6 custom x pipes, cai, screamin demon coil pack, 10mm live wires spark plug wires, NGK iridium plugs, 93 octane bama tune