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Mid exhaust muffler

  • Racediagnostics
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28 Apr 2020 15:37 #243875 by Racediagnostics 450 SL 107.044 1979
Mid exhaust muffler was created by Racediagnostics
My new Imasaf exhaust is too loud at 1500rpm and below, I think the problem is that it uses a straight through mid box like this.

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I will have to change it to one like the OEM, unfortunately the OEM one is just too expensive at about £1500!

The SLshop and SLS both sell an OEM style aftermarket unit. Does anyone know who makes these and if they are available at a lower price.

www.sls-hh-shop.de/main/en/49-exhaust-sy...o-as-genuine-p-11726

www.theslshop.com/parts-shop/mercedes-be...-box-1074901015.html

The internal structure is shown on the SLS site.

Cheers
Jim

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  • Dr-DJet
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28 Apr 2020 15:38 #243876 by Dr-DJet 450 SL 107.044 1973 Schweiz
Replied by Dr-DJet on topic Mid exhaust muffler
Hi Jim,

buy a stainless steel exhaust from Sobkowiak and you will never face trouble again. I run that on my 450 SL.

Viele Schraubergrüße - best regards, Volker alias Dr-DJet und K-Jet Forscher, Admin und Betreiber dieser Webseite
Alles über D-Jetronic und Zündung auf oldtimer.tips

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  • juliusmst
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28 Apr 2020 16:37 #243881 by juliusmst 560 SL 107.048 1986 Americas (USA/CAN)
Replied by juliusmst on topic Mid exhaust muffler
Hi Jim,

if is A1074901015 the correct MB-Number (as it says at the SLShop) then the "IMASAF ME.80.06" should be an alternative one which is a lot cheaper.

You can find it HERE , shipping to the UK is 25 €.

Beste Grüße,

Julius

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28 Apr 2020 16:50 #243882 by Racediagnostics 450 SL 107.044 1979
Replied by Racediagnostics on topic Mid exhaust muffler
Hi Julius, it is the IMASAF middle box that I have fitted at the moment, it is a simple design and too loud.

Although sold to me as an IMASAF, purchased here.

www.ebay.co.uk/itm/201559663863

This was the marking.

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Cheers
Jim

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28 Apr 2020 21:14 #243919 by Rudiger 560 SL 107.048 1988 Americas (USA/CAN)

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29 Apr 2020 10:59 #243985 by Racediagnostics 450 SL 107.044 1979
Replied by Racediagnostics on topic Mid exhaust muffler
Hi Rudiger, my experience is that these straight through mufflers are too loud on my 450SL.

It is this type that looks more like the OEM that I am looking for.

www.sls-hh-shop.de/main/en/49-exhaust-sy...o-as-genuine-p-11726

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This one is sold by SLS and the SLShop.

Cheers
Jim

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29 Apr 2020 15:53 #244062 by Rudiger 560 SL 107.048 1988 Americas (USA/CAN)
Replied by Rudiger on topic Mid exhaust muffler
Jim, you are right.
Rudiger

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30 Apr 2020 13:52 #244228 by Dr-DJet 450 SL 107.044 1973 Schweiz
Replied by Dr-DJet on topic Mid exhaust muffler
Hi Jim,

you can talk to Sobkowiak whether you want original sound or a different version. And stainless steel will never ever be a problem again. If the transport to UK was not so expensive I would be willing to give you my old middle muffler that I took out after 20 tkm and replaced by stainless steel.

Viele Schraubergrüße - best regards, Volker alias Dr-DJet und K-Jet Forscher, Admin und Betreiber dieser Webseite
Alles über D-Jetronic und Zündung auf oldtimer.tips

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30 Apr 2020 14:48 #244240 by Racediagnostics 450 SL 107.044 1979
Replied by Racediagnostics on topic Mid exhaust muffler
Thanks, since SLS have a special offer of free shipping right now I ordered their Oem type muffler pictured above.

I thought that this would be a cheap year for the SL, so far it has turned out to be rather expensive with this and the new radiator.

Cheers
Jim

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01 May 2020 16:32 #244385 by Racediagnostics 450 SL 107.044 1979
Replied by Racediagnostics on topic Mid exhaust muffler
Fast delivery from SLS-HH Germany, the exhaust arrived today, only ordered two days ago.

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High temp paint then bake.

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Ready to fit tomorrow.

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Cheers
Jim

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02 May 2020 10:30 #244480 by Mercostar 280 SL 107.042 1984 Standard (Europa)
Replied by Mercostar on topic Mid exhaust muffler
hello,

how is the sound now?

Michel

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04 May 2020 10:46 - 04 May 2020 10:47 #244731 by Racediagnostics 450 SL 107.044 1979
Replied by Racediagnostics on topic Mid exhaust muffler
Now it's fitted, I am not convinced it was worth the money, time will tell. You can judge for yourself here.

youtu.be/HZKg7uZ3G4E


Cheers
Jim

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Last edit: 04 May 2020 10:47 by Racediagnostics.

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04 May 2020 12:19 - 04 May 2020 12:30 #244739 by Mercostar 280 SL 107.042 1984 Standard (Europa)
Replied by Mercostar on topic Mid exhaust muffler
Hello,

Is a genuine original at € 1.864,80 better?

Best regards,
Michel
Last edit: 04 May 2020 12:30 by Mercostar.

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06 May 2020 17:31 #245089 by BigFish246 560 SL 107.048 1986 Americas (USA/CAN)
Replied by BigFish246 on topic Mid exhaust muffler

Racediagnostics wrote: Now it's fitted, I am not convinced it was worth the money, time will tell. You can judge for yourself here.

youtu.be/HZKg7uZ3G4E


Few questions, not all really exhaust related.

the Italian made exhaust parts, what brand was that? & from what seller did you order from? I cannot find a seller that would ship to USA.

Is your car a recent restoration? It's the cleanest under car I have ever seen? where did you get the fuel lines?

What seats are those? beautiful sport seats? assuming Recaro?

Where is your radio? noticed that you have seat controls instead of radio?

Greetings, from US. Konstantine

Thanks,
Konstantine from Pennsylvania, USA

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06 May 2020 18:57 #245115 by Rudiger 560 SL 107.048 1988 Americas (USA/CAN)

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06 May 2020 19:06 - 06 May 2020 19:06 #245119 by Racediagnostics 450 SL 107.044 1979
Replied by Racediagnostics on topic Mid exhaust muffler

BigFish246 wrote: the Italian made exhaust parts, what brand was that? & from what seller did you order from? I cannot find a seller that would ship to USA.


It is an Imasaf exhaust, bought here, there are a few sellers on ebay, maybe one of them will ship to the US.

www.ebay.co.uk/itm/IMASAF-Auspuff-SET-Me...p2057872.m2749.l2649


BigFish246 wrote: Is your car a recent restoration? It's the cleanest under car I have ever seen? where did you get the fuel lines?


Yes, the restoration was completed in June last year, the fuel lines are original, actually the rusted ends were repaired and then the entire fuel line was repainted.


BigFish246 wrote: What seats are those? beautiful sport seats? assuming Recaro?


The seats are from a MK 1 Audi TT, I use them as they are more comfortable then the original seats but I can put the old seats back in at any time.


BigFish246 wrote: Where is your radio? noticed that you have seat controls instead of radio?


I removed the poor aftermarket radio in the car and replaced it with a blue-tooth amp, Nobsound NS-10G PRO along with a Kenwood under-seat sub. And yes, the radio slot now houses the controllers for the multi level seat heaters.

The full story can be seen here.

www.youtube.com/watch?v=XRvfJryECjs&t=62s

Cheers
Jim

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Last edit: 06 May 2020 19:06 by Racediagnostics.
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