so, can i have them run duals from the muffler back also? will it make that much of a sound difference?

And when you mean matched, make sure if the muffler is a 2.5 in/out make sure the new catback is 2.5?

What do you think a ballpark guesstimate would be for them to install the muffler, with a new catback, and eveything you said except have them make duals out of the muffler?

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1998 ford ranger xlt extended cab 2wd
v6 4 litre.