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Exhaust Stainless Steel?

Hi all,

My exhaust needs changing, and I was going to invest in a full stainless steel one. I have had a look around but mainly most still have mild steel joints etc, which defeats the object!

Does anyone know of a good full S/S System? I have even looked at having one bespoke made by a specialist, that came in at £900 though! But that was top end S/S, S/S welds, joints, nut and bolts and full S/S mounting brackets made, also a slightly bigger bore and bespoke silencer to help her breath better.

Cheers

John...
 
i agree and its a fair comment that the joints would benefit from being stainless, but you have to ask yourself if the stock mild steel ones fail at the flanges ? i'd argue no, its usually silencers or tube work.

as far as i can see there is only 1 off-the-pegg stainless system on the market, just retailed by lots of different people (double S, rimmer brothers for example)

aftermarket would be best, better grade of stainless, will be thicker parent material, usually they are priced based on the tube stock (bigger being more expensive of course) i believe the 900 quid quote, but should be able to get that down shopping around and keeping to 1.5 or 1.75 inch
 
From personal experience....

I bought a double S exhaust through paddocks. Been fitted less than 12 months, and it's rusting already. Not just the flanges, which are plainly mild steel, but the pipework too. I'm suitably unimpressed.

Lifetime warranty though, proviso being that it's security is checked once a year by a garage, so the mot basically. So if it rots off, they owe me a new one.

It sounds tinny, and 'empty' though. :/
 
I bought a 50mm bore one from Rimmers and was impressed at the packaging, but the mountings were standard galvanised. I bought some stainless fixings from Ebay, and the clamps I made from Chinese sanitary pipe fittings, and one strip of stainless for the tailpipe mount.

Yes it has rusted, but at a slow enough rate not to be too worried about it. As mine was married to the 2.5 petrol engine I had to rework the front downpipe to include a small flexi joint, but the rest of it is standard.

Backbox did sound tinny to start with, but has muted down as it fills up with soot I think. :)

Probably around £300 with the fittings.
 
Mine is getting quite... Again, soot as Richie says.

I see there's a guy on eblagg selling stainless exhaust fittings, but damned if I can mind his name. I'll post it up if I finds it again.
 
Mine is getting quite... Again, soot as Richie says.

I see there's a guy on eblagg selling stainless exhaust fittings, but damned if I can mind his name. I'll post it up if I finds it again.

Bits4landys sell stainless steel fittings. Havent bought them myself but have bought a few other pieces and quality and price are excellent.
 
My double S stainless exhaust sounded very tinny at first but over the past 4 - 5 years it has settled down nicely and dounds more gruff / normal.

Mine has lead a gentle life in recent times but I was only under it on Sunday and the pipework is like new and the flanges (which I smeared in copper grease) have no corrosion to speak of. Can’t remember what I paid for it but it wasn’t expensive by exhaust standards.

The previous Britpart one was new when I bought the Landy but was starting to hole where the pipe enters the rear silencer.
 
Bits4landys sell stainless steel fittings. Havent bought them myself but have bought a few other pieces and quality and price are excellent.
Yes that's him. I asked him to start making the hangers in the beginning and now they are selling well.
- But the clamps are for standard sized exhausts - and I went big bore, so used what I could from him and fabricated the clamps.
 
I actually saw my old ninety yesterday, I fitted a SS to that in 2010, silencers still shiny, very end lip of the exhaust tail pipe was nibbled with rust, tube sections that weird bronze colour from heat staining
 
Which do you reckon last better, petrol systems or diesel systems?


I suspect that diesel systems would last longer. Petrol engines generate more condensation than diesels (in my experience at least) which is acidic due to reasons. That said, all the soot that covers the inside of a diesel's exhaust might be corrosive as well. Whatever SS Audi uses is great. My daily drive A8's exhaust looks like it is fresh from the factory, and the old D2 A8 is nearly 20 years old and also looks brand new.
 
diesel and petrol are carbon and hydrogen atoms, when you burn it, carbon is oxidized to CO2, hydrogen is oxidised to water.
 
I think the regular puff of unburnt diesel mist coats the inside of the exhaust and prevent the inside rusting.
IME diesel exhausts last much longer.
Petrol exhausts nearly always rusts at points where internal condensed water vapour collects.
 
I found out today which surprised me is that the S/S exhausts advertised by a well known company, is not true Stainless Steel, but 4000 Series Steel which does corrode!

My quest goes on, something so simple, yet sold with much disguise!
 
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