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Author Topic: Exhaust Treatment  (Read 2602 times)
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nthomas1
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« on: 07 August, 2015, 11:11:40 AM »

I got some great advice on buying a new exhaust for my Series 2 Coupe.  I went ahead and bought an Imasaf system which arrived a couple of days ago and looks very well made.   Can anyone advise whether there is any value in painting/treating the exterior before fitting? 
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Norm Thomas
Ormskirk, Lancashire

Own:
1973 Fulvia S2 Coupe
Previous Lancias: S2 Coupe and S3 Coupe in late 1970s
lancialulu
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Posts: 4901



« Reply #1 on: 07 August, 2015, 11:30:36 AM »

Generally steel exhausts rot from the inside due to not getting them warm enough and the condensate does the rest.....

Some coat manifold areas with ceramic coating to mostly reduce under bonnet heat. This in my view is not worth it for a whole exhaust system.
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Its not the winning but taking part! or is it taking apart?
Lancias:
1955 Aurelia B12
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia Sport 1600
1983 HPE VX
1988 Delta 1.6GTie
1998 Zeta 21.  12v
GialloHPEIan
Senior Member
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Posts: 139



« Reply #2 on: 07 August, 2015, 02:04:24 PM »

I think I am right in saying that the Imasaf exhaust systems are painted with a special aluminium rich paint from the factory. I totally agree that rotting from inside is the issue.
The killer for mild steel exhausts is short runs and starting the car and not driving it anywhere as the condensation is not blown out or evaporated.

Ian.
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1998 Delta HPE 2.0HF Turbo 16v
1968 Land Rover Series IIa Lightweight
2018 Fiat Ducato L2H2
2011 BMW 1 Series 118i M-Sport Convertible

Prev.Lancias: Beta Spyder 2000('80) Delta HF Turbo Martini('88) Prisma 1600('86) Montecarlo('77) Dedra Turbo(
RobD
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« Reply #3 on: 09 August, 2015, 08:48:59 AM »

I had my mild steel system ceramic coated inside and out, in theory it should be impervious to corrosion.
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You're all entitled to my opinion.
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