I thought that the "SLE" of the 92-95 were the ones that got 2.5" exhaust piping...

I swapped out my cat and added a res, I have 2.5" piping.

I think the "SLE" of 92-95 is really just an SE w/ Deluxe trim.

i have 2.5 piping

But you have nothing in your sig so we don't even know what year you have....

It was part of the high flow exhaust. Some 93' SE'* can have it, ALL 93 SLE'* had it.

Isn't N10 simply a high flow muffler?

AFAIK i figured the 2.5" pipe was part of it. I thought all pipes were 2.5, but apparantly some cars have 2.25.

N10 has a tone a lot like my flowmaster, just a lil louder then stock though.

My old 1992 SE had the N10 muffler with 2.5" piping. So did my 1994 SLE -after I swapped the 1992 system on.

So, what else does it take to make an "SLE"?

Same here, my 92 has N10 and a center console

For starters:

Leather buckets
16x7 crosslace rims
3.06 axle ratio
twilight sentinal
remote trunk release (on door panel)
complete door and rocker mouldings
2.5" exhaust
'honeycomb' grille
and a couple other options that slip my mind at the moment.