> It depends on your model year. Your V6 'might' need the
> air tube to run back to the passengerside exhaust manifold
> to dump into. You must use the same style as OEM to meet
> smog requirements.
>
> Now, about the 3" part. You might not want to GO BIG,
> especially with a low restriction muffler (low back
> pressure).
>
> I did this with a V8, headers, 3" pipe to the CAT, 3" Hi
> Flow Cat (www.carsound.com), and 3" into an Ultra Flo
> muffler... It sounded intense, but was a real dog below
> 3000 rpm, and got terrible gas mileage.
On my stock cat there wasnt anything(like a tube/pipe) running back to the
manifolds from the converter. I did notice though on the current catalytic
converter I have, there is a 3"-5" long piece of metal tubing coming off of
the main body of the converter, which just has a cap welded on it. I assume
this piece of metal tubing would be for an 'air tube', if my Dak needed one.
So I know now that I dont need this 'air tube' thingy, but need to find out
which style(2 or 3 way) I need. I definately do not want a complete 3"
exhaust, as I like the low end grunt I have and do not care to lose this. I
would just replace the 2.75" converter I currently have with a 3" high flow
converter to match the stock pipe size before the converter and then use a
2.5" muffler to match up with the pipe size after the muffler. Thanks for
the input.......but does anyone know if I need a 2 way or 3 way converter
and what the differences are???????????
Kyle
93 Dakota 4x4 v6
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