I have a 95 Dak with the 3.9 and I live in NC.I was wondering if it is legal
to run a true dual exhaust? What i mean is to run each set of headers down to
its own with no y pipe at all cat then to a muffler out to the rear ? would
the be too little back pressure? Would i need to install an extra O2 sensor
on the othe pipe ahead of the cat? Thanks in advance.
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