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Stainless Steel Exhaust

General Tech Talk

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Stainless Steel Exhaust

Post by date »

Hi:
My 2000 NL Pajero still has the original exhaust on it (Shhh - it may hear me!). Som etime in the future, hopefully way off, it must rust out, and I would like to replace it with a stainless muffler and pipes. Quiet, not noisy. Anyone here know of where I can buy a stainless muffler and pipework to suit?
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Re: Stainless Steel Exhaust

Post by mike_nofx »

Why stainless?

You've already seen a steel one can last 12 years, and still be good, not good enough?
Plus the fact that if you do take it off road and it gets damaged, it costs more to repair.

Personally, I'd only put a stainless exhaust on a very tidy street car, and only because it looks better polished up.
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Re: Stainless Steel Exhaust

Post by Jimbo »

+1 ^^^^^
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Re: Stainless Steel Exhaust

Post by date »

Why Stainless? Because whatever I put on to replace the original system will not last as long as the original, and I intend keeping the Pajero for a long time yet. One of the reasons the system has lasted so long has been that the car only gets used about once per 2 weeks, but it gets long runs which warm the system and dry it out. My wife's Magna gets quite a few short runs and in winter, the system never dries out. Typically, it has been the pipework which has rusted out in that car, but the replacement muffler (only about 3 yrs old) is starting to make farty sounds already, so I assume it will have to be replaced soon. I would like a stainless system for that car too.
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Re: Stainless Steel Exhaust

Post by chimpboy »

I somehow have this idea that stainless is pretty much always noisier all else being equal. Is this right or have I been misinformed?
This is not legal advice.
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Re: Stainless Steel Exhaust

Post by Shadow »

mike_nofx wrote:Why stainless?

You've already seen a steel one can last 12 years, and still be good, not good enough?
Plus the fact that if you do take it off road and it gets damaged, it costs more to repair.

Personally, I'd only put a stainless exhaust on a very tidy street car, and only because it looks better polished up.

unless your new exhaust gets the same coatings inside and out that factory exhaust systems do, it will never ever last as long as a factory exhaust.

stainless should outlast a factory exhaust
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Re: Stainless Steel Exhaust

Post by vanbox »

Mine highlights the V8 noise a little more than other duramax's getting around with mild exhausts. No idea whether its louder though.
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Re: Stainless Steel Exhaust

Post by chunderlicious »

i find on my clubsport that the stainless makes it a higher note than mild steel exhausts, thats why so many LS motors sound shit in my opinion.... i recon the grade of stainless changes the noise too.
(note to anyone with an LS motors commodore, stay away from xforce and choose a diffilipo or similar, xforce=shit and my diffilipo=awsome)
turbos are nice but i'd rather be blown
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Re: Stainless Steel Exhaust

Post by poppywhite »

A stainless muffler tends to last a bit longer and resonate more. Stainless is more brittle, so cracking in the pipework may be an issue. I've only had stainless mufflers in the past, the exhaust makers recomended agianst useing stainless for pipework.
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Re: Stainless Steel Exhaust

Post by date »

Thanks for your replies. By the lack of responses telling me where to go (everyone does that!), I assume that there are no places which supply SS exhaust systems and they would be a custom (= expensive) job. In 1085, we bought a Magna (new) and just out of warranty, the rear muffler died - short tuns, cold climate, - it didn't warm up much to dry it out. Replaced the muffler and less than 1 year later, it was gone too. Put a SS muffler on and it was still there when we sold the car in 2000. I am really surprised at the life of the 2000 Pajero muffler, but it is going to die soon. The Magna (1998) has already died and the replacement (2 yrs old) is starting to make farty noises now, so I assume it is on the way out too.
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Re: Stainless Steel Exhaust

Post by rockcrawler31 »

date wrote:Than In 1085, we bought a Magna (new) and just out of warranty,
Did you buy it off william the conqueror? I wasn't aware that mitsubishi had a model that early on?...
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Re: Stainless Steel Exhaust

Post by date »

"Did you buy it off william the conqueror? I wasn't aware that mitsubishi had a model that early on?..."

OK - I need a Hmm reader to check my typing....
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Re: Stainless Steel Exhaust

Post by date »

"Did you buy it off william the conqueror? I wasn't aware that mitsubishi had a model that early on?..."

OK - I need a p00f reader to check my typing
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Re: Stainless Steel Exhaust

Post by Shadow »

date wrote:"Did you buy it off william the conqueror? I wasn't aware that mitsubishi had a model that early on?..."

OK - I need a p00f reader to check my typing

a p00f reader did check your typing, then he made a joke about it :P
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Re: Stainless Steel Exhaust

Post by chimpboy »

One of the early leaf-sprung models probably. And 40" rims were standard!
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Re: Stainless Steel Exhaust

Post by rockcrawler31 »

Then it seems Mitsubishi's horsepower figures havn't improved since then........
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Re: Stainless Steel Exhaust

Post by date »

OK - I have fabricated a SS exhaust to act as a heat shield from all the flaming you are giving me, so you can stop now!
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Re: Stainless Steel Exhaust

Post by rockcrawler31 »

date wrote:OK - I have fabricated a SS exhaust to act as a heat shield from all the flaming you are giving me, so you can stop now!
ha ha ha! only on outers lol
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Re: Stainless Steel Exhaust

Post by Guy »

various metals resonate at different frequencies ... a mate of mine had a cortina that he put a 60ish cm length of 50mm copper into the mid section of the exhaust .. made it sound much better than the rock in a milo can noise it made with normal mild steel.

So any exhaust for a paj seems to be bloody expensive ( I have been looking mine has been biffed and bashed a bit) .. no idea why, A stainless one may cost more than the car itself
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