Re: Maxima 2000: can new muffler cut MPG by 3-4??

On Jan 2, 12:20=A0pm, pgg <papaNO_SP_AMgordygra...@[EMAIL PROTECTED]
> wrote:
> A couple months ago, my 2000 Maxima with 68,000 miles start making
> terrible clunking noises from the muffler area.
>
> My head wasn't on straight that day and I took it over to Meineke. =A0A
pi=
pe
> was rusted out and hanging...they said even though the original
stainless
> steel muffler was fine, they had to replace the muffler to replace the
> connecting pipe. =A0I said "fine".
>
> I know...dumb move in hindsight and I wish I would have taken it
elsewhere=
..
>
> Well the Meineke muffler was $220 or something like that and looks/works
> fine.
>
> However I swear I get 3-4 MPG less than I used to. =A0Possible? =A0I
also =
got
> the MAF sensor replaced in the same time period...

The muffler should have little/nothing to do with fuel economy.  The
MAF however can have a major impact.  Look to the MAF if you see
statistically significant change in mpg.