I have a 2007 Lincoln Mark LT, it has duals from the muffler back I wanted to put a Dyno-Flow Muffler on which would be just one muffler. Out of curiosity I asked the mechanic about dual from the engine back he said couldn't do that due to emission and the latest electronics in the newer vehicles. Is this a true statement on the duals from the engine back. Thanks Roy

True, but a Cat back dual system will be a help and is very doable.

Some exhaust systems have sensors not only at the exhaust manifold but also near the cat. You can change them but need to reprogram so that the computer is none the wiser.

SWD wrote:Some exhaust systems have sensors not only at the exhaust manifold but also near the cat. You can change them but need to reprogram so that the computer is none the wiser.A very expensive solution for a very small ROI. I looked into this on mine and it was a couple thousand dollar conversion.

Dual Exhaust | Good Sam Community

15 Replies

Me_Again
Explorer III
Oct 16, 2013
Ever heard of CAT Back? Chris
The_Texan
Explorer
Oct 16, 2013
SWD wrote:
Some exhaust systems have sensors not only at the exhaust manifold but also near the cat. You can change them but need to reprogram so that the computer is none the wiser.
A very expensive solution for a very small ROI. I looked into this on mine and it was a couple thousand dollar conversion.
SWD
Explorer
Oct 16, 2013
Some exhaust systems have sensors not only at the exhaust manifold but also near the cat. You can change them but need to reprogram so that the computer is none the wiser.
DUNEBUGGYDOUG
Explorer
Oct 16, 2013
Nope, not a true statement
The_Texan
Explorer
Oct 16, 2013
True, but a Cat back dual system will be a help and is very doable.

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Dual Exhaust

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