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Old 05-17-2010, 02:12 PM   #1 (permalink)
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Exclamation Muffler needs replacing - anything in particular I should go for? ('92 Metro)

I did notice another post in here regarding something vaguely similar, but my question is a little simpler - I need to replace my muffler pretty soon and I'm wondering if just a plain old regular muffler is good? I drive a '92 Geo Metro with the xfi cam mod, but other than that it's mostly normal. (3 cylinder) I don't know if it's just me, but I've noticed with these cars that the low-end torque really goes down the tubes when the muffler is no good, and, consequently my mileage seems to go down as well.

I dunno, maybe it's just my imagination but that's how it seems.

Anyway - is there any definitive evidence showing that the type of muffler I get is going to be making a big difference? Most of what I see regarding mufflers and fuel economy is either fairly speculative or situational. (IE If you are driving a big block V8, then it's a good idea). I'm also thinking that, if it's a couple hundred bucks extra for a marginal or possible improvement, it's probably not worth it either.

Still, since I don't exactly replace my muffler annually, I figured I should check with you guys before I go out and do it.

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Old 05-17-2010, 08:03 PM   #2 (permalink)
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I suggest getting Walker replacement parts. I bought a Walker rear pipe with resonator and a Walker Quiet Flow muffler for my 1998 Chevy Metro and it runs totally quiet without a cat. Recently, I bought an aftermarket pipe and muffler for my wife's 1997 Metro and I am not happy with the noise level.
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Old 05-21-2010, 12:05 AM   #3 (permalink)
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Alright, I'll check into Walker - thanks. (I'm personally not too concerned about noise, I was just wondering if there was much difference between different brands in terms of efficiency)
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Old 05-21-2010, 09:39 AM   #4 (permalink)
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I doubt it'll make a bit of difference. In a former life, I put dual Flowmasters on my Suburban. It was loud and annoying, but didn't change speed or economy a bit.
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Old 07-29-2010, 10:11 PM   #5 (permalink)
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I have tried buying an aftermarket pipe and muffler. It makes this weird sound and I really did not like the quality. After that, I never settled for aftermarkets.

Last edited by mikeross; 08-06-2010 at 11:33 PM..
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Old 07-30-2010, 12:43 AM   #6 (permalink)
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This is one of those times where the online parts houses are not helpfull. You probably want something "lighter" then you have and tucked up higher so your underside is more arrrow. But all the online parts places all want you to enter to make/model/year so they can quote you something. I want to look at detailed drawings so I can see if they fit better or weight less. But I can't go into the catelog that way. Rant-Rant-Rant.
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Old 07-30-2010, 01:13 AM   #7 (permalink)
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My favourite shade-tree mechanic just looks for something about the right size at the junk yard. If it looks fresh, it is well worth fitting.

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