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mild steel v stainless steel exhaust? 

 

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 Post subject: mild steel v stainless steel exhaust?
Posted: Sun Sep 11, 2011 2:31 pm 
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hey guys

should be getting my exhaust done in a week or 2 and im wondering whats the differnence between getting stainless or mild steel


thanks in advance

 

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 Post subject: Re: mild steel v stainless steel exhaust?
Posted: Sun Sep 11, 2011 2:35 pm 
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stainless will have a slightly different sound, and wont rust out

 

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 Post subject: Re: mild steel v stainless steel exhaust?
Posted: Sun Sep 11, 2011 2:46 pm 
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someone correct me if im wrong,
but stainless steel has a more "tinny" sound to it.
cost alot more
doesn't carbon up as much as mild
has slightly better flow, you probably wont notice it to be honest

personally i have and would again go for mild steel.

 

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 Post subject: Re: mild steel v stainless steel exhaust?
Posted: Sun Sep 11, 2011 4:14 pm 
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i rekon it would sound less tinny as its a denser metal than mild steel.
but most definatly more expensive.
mine sounds alrite anyways.

 

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 Post subject: Re: mild steel v stainless steel exhaust?
Posted: Mon Sep 12, 2011 11:52 am 
Getting Side Ways
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Quote:
i rekon it would sound less tinny as its a denser metal than mild steel.

i was and am just going off what ive heard before, and ive heard that because it doesn't carbon up anywhere near as much as mild steel this causes it to have the tinny sound as theirs a lack of carbon in the pipes.
could have a look at youtube to check out different set ups and see how they sound

 

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 Post subject: Re: mild steel v stainless steel exhaust?
Posted: Mon Sep 12, 2011 12:34 pm 
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Benny D wrote:
i rekon it would sound less tinny as its a denser metal than mild steel.
but most definatly more expensive.
mine sounds alrite anyways.


From a scientific point of view. Stainless steel is indeed denser, however denser material is more harmonic than less dense material of the same thickness. From that (this is just my logic/understanding here), the denser and thinner piping will have a higher pitch sound compared to a less dense but thicker piping.

To prove this, get a 2.5" stainless steel exhaust pipe and wack it onto something hard, the noise will be high pitch, more pronounce (like a nagging woman) and the sound will last a while (think of a tuning fork). Get a 2.5" mild steel exhaust pipe and wack it onto the same hard surface, the sound will be duller, of lower frequency and the sound will dissipate much more quicker.

Add to that (assuming the carbon build up theory is correct as mentioned above), the carbon will act as a sound deadener. Fortunately, high frequency sound is easily dampened and with the help of the carbon build up, you get more low frequency sound over the high frequency.

Stainless steel does not rust as easily as mild steel, however there is a price difference to compensate.

Anyways, that's my view, but take it as you will.

 

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 Post subject: Re: mild steel v stainless steel exhaust?
Posted: Mon Sep 12, 2011 1:13 pm 
Tyre Shredder
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thanks heaps guys :D

 

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 Post subject: Re: mild steel v stainless steel exhaust?
Posted: Mon Sep 12, 2011 9:48 pm 
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If you can afford to have it done, and intend on keeping the vehicle for a while, then go for the stainless. I dont know if there is any difference in the harmonics betweeen M/S & S/S, given same mufflers etc'???

Both my cars have s/s sytems i made. 3" on my Mav ( nice deep note ) and 2 1/2" on my Laser ( also deep sound, but like all 4 cyl's, raspy up in the rev range )

Cheers

Daz

 

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 Post subject: Re: mild steel v stainless steel exhaust?
Posted: Mon Sep 12, 2011 10:18 pm 
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DA22LE wrote:
If you can afford to have it done, and intend on keeping the vehicle for a while, then go for the stainless. I dont know if there is any difference in the harmonics betweeen M/S & S/S, given same mufflers etc'???

Both my cars have s/s sytems i made. 3" on my Mav ( nice deep note ) and 2 1/2" on my Laser ( also deep sound, but like all 4 cyl's, raspy up in the rev range )

Cheers

Daz


I think there might be a small difference between SS/MS using the same muffler on either system, but you'd need to be pretty anal. The sound will change over time for the MS exhaust while the SS system probably stays the same.

 

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 Post subject: Re: mild steel v stainless steel exhaust?
Posted: Tue Sep 13, 2011 10:49 am 
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go M/S and with the large chunk you save put it towards something else Eg. underdrivers. their will only be very very minimal gains from going S/S

 

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Visual mods: 19" rim, lower grill mesh, oil pressure and vacuum gauges, engine bay lighting, foot well lights
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 Post subject: Re: mild steel v stainless steel exhaust?
Posted: Tue Sep 13, 2011 1:30 pm 
Tyre Shredder
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ye im going with m/s i want a lower sound :D


and ive got plans for what i save :P

 

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