Have a 1994 Ford F-150 5.0 EFI

Asked by Mar 22, 2017 at 01:39 AM about the 1994 Ford F-150 XLT LB

Question type: Car Customization

I want to go true duals but I can't get past the O2 sensor
and the Cat my local exhaust shop won't do it for me bc
my Cat has dual in single out and I can figure out how to
upgrade my full exhaust from headers to tru duals

2 Answers


To keep it smog legal you are stuck with the single pipe. Maybe you could run the headers into a 3" or 4" pipe and then split it to the dual exhaust pipes.


Magma flow 94007. Dual in dual out catalyst.

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