stainless or mild

Submitted: Wednesday, Apr 01, 2009 at 16:22
ThreadID: 67413 Views:2173 Replies:4 FollowUps:4
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im about to get a stainlees system for my colorado but iv heard mix reports about the stainless that its not worth it ??? really just boils down to it last longer aye ? thats all and wont rust ??
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Reply By: MrBitchi (QLD) - Wednesday, Apr 01, 2009 at 16:29

Wednesday, Apr 01, 2009 at 16:29
IMO the aluminised mild steel tubing they use these days is a far better option. Much easier and cheaper to get repaired when you bend/break it and it lasts for years.
AnswerID: 357467

Follow Up By: Member - Norm C (QLD) - Wednesday, Apr 01, 2009 at 18:02

Wednesday, Apr 01, 2009 at 18:02
I'm with John on this one. Stainless might give 'bragging rights', but otherwise the extra expense is not warranted in my view.

I just had a 3"aluminised system fitted by Beaudesert Exhausts. Had one of their systems on my previous Hilux as well. Happy with both.

Norm C
FollowupID: 625602

Follow Up By: MrBitchi (QLD) - Wednesday, Apr 01, 2009 at 20:34

Wednesday, Apr 01, 2009 at 20:34
Norm, mine came from the same shop ;-)
FollowupID: 625627

Follow Up By: shaneo86 - Wednesday, Apr 01, 2009 at 22:10

Wednesday, Apr 01, 2009 at 22:10
ill try and call them tommorow to change it dont like my chances as its booked in for friday just thought it would be betta for the beach and that like atm im getting alot of rust spots on it from the water etc...bugger hope its not to late its from the leading place was looking forward to having it for the chairty day tell ya its hard to find sponcers for that aye BP wont have a word of it anywhere sucks big time its a huge $WD event

FollowupID: 625649

Reply By: Member - Ian W (NSW) - Wednesday, Apr 01, 2009 at 18:01

Wednesday, Apr 01, 2009 at 18:01
From my (limited), experience the type of driving you do might suggest which way to go.

The example I quote is a 1979 Toyota my F.I.L purchased new and had a stainless system fitted almost. It was a daily, very short drive to work vehicle and two 400k round trips twice a year at holiday time. The vehicle was sold on to my wife who used it as a shopping trolley, all very short stop and start trips. We sent it to the car yard in the sky at 26years of age and riddled with rust. The exhaust system was the original stainless.

In comparison my Mazda B2600 did 64klm round trips to work and back, very long touring holidays and virtually nil stop start driving. We parted with the Mazda at 12 years of age, and 208,000 plus on the clock.

I'm quite sure the only reason the standard steel exhaust system on the Mazda lasted as it did was the absence of short trips which leave condensate in the exhaust system.

AnswerID: 357489

Reply By: Member - Graham H (QLD) - Wednesday, Apr 01, 2009 at 21:26

Wednesday, Apr 01, 2009 at 21:26
I have a 3"exhaust on my Croozer and when I when to order it I asked about Stainless and he said youve got too much money if you want one of them.
I got the aluminised steel and am quite happy with it for about $700 cheaper.

Incidentally when i took the original supposed stainless Toyota exhaust off it appears that only the mufflers are actually stainless anyway.

AnswerID: 357559

Reply By: Ray - Thursday, Apr 02, 2009 at 10:10

Thursday, Apr 02, 2009 at 10:10
What is "Stainless Steel" There are many materials classed as stainless steel and all have diferent applications. Does anybody know what type of stainless steel is used in exhaust systems? A better name for stailess steel would be alloy steel as some stainless steels do rust but then by calling them alloy steels would only cause more confusion.
AnswerID: 357629

Follow Up By: Member - Graham H (QLD) - Thursday, Apr 02, 2009 at 19:00

Thursday, Apr 02, 2009 at 19:00
Im probably wrong bu I think the hardest SS is 316 grade It is however brittle if you try to bend it.
I cant quite remember but think the guy said exhaust SS was 265 grade.

Softer to be able to be bent.

Also remember when bending pipe it either gets squashed as in a normal bend or Stretched when Mandrel bent
FollowupID: 625821

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