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

"dgeesaman@[EMAIL PROTECTED]
" <dgeesaman@[EMAIL PROTECTED]
> wrote:

>On Jan 2, 12:20 pm, 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.  A
pipe
>> 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.  I 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.  Possible?  I 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.

Not possible.

Also the Maxima has an all St Stl exhaust system - you should be
contacting your local BBB if Mie**** replaced something "rusted". A
bracket may have broken/corroded, but not a pipe in the exhaust sytem.