S-Class (W221) 2007-2013: S 320 CDI, S 350, S 450, S 500, S 550, S 420 CDI, S 600

Upgrading S500 exhaust system

Old Apr 29, 2014 | 12:22 PM
  #1  
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Upgrading S500 exhaust system

I have S500 with standard exhaust system and would like to upgrade it in the near future. I recently my friends S500 with AMG exhaust and loved the sound of that. It was really aggressive and loud. Not sure if it was standard AMG exhaust or he had done some modifications as the sound was really loud. My friend didn't know as that exhaust was already in the car when he bought it.

Is the AMG exhaust the best option to go or what would you guys recommend? I'm not an expert when it comes to exhaust systems. I would like to get loud and aggressive exhaust sound as well..

Cheers!
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Old Apr 29, 2014 | 12:54 PM
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The main problem with S550 exhausts that have been modified with a muffler delete is that they sound great at idle and around town, but at highway speeds they produce an intolerable drone. I'd take a ride with your friend at 80 mph and if it still sounds good, do what he did.

The best option would be to get an actual AMG exhaust for an S63/S65. I understand they run about $1,600 per side ($3,200 total). Sometimes they can be found used on EBay.
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Old Apr 29, 2014 | 02:13 PM
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Originally Posted by Mike5215
The main problem with S550 exhausts that have been modified with a muffler delete is that they sound great at idle and around town, but at highway speeds they produce an intolerable drone. I'd take a ride with your friend at 80 mph and if it still sounds good, do what he did.

The best option would be to get an actual AMG exhaust for an S63/S65. I understand they run about $1,600 per side ($3,200 total). Sometimes they can be found used on EBay.
Cheers Mike! The thing is that my friend doesn't know what modifications has been done to his exhaust but most likely muffler has been deleted right? That what makes the difference?

I will have another go at his car. If there's no AMG exhausts on Ebay available what's the best place to find one? Preferably in Europe to save a bit on shipping costs.
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Old Apr 29, 2014 | 02:55 PM
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Is this the correct one or is there something missing? Price is only 1310 euros.

http://www.kunzmann.de/shop/en/tunin...ust-system.htm
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Old Apr 29, 2014 | 02:56 PM
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Drone noise suck.
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Old Apr 29, 2014 | 03:09 PM
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Originally Posted by Max Gothenburg
Is this the correct one or is there something missing? Price is only 1310 euros.

http://www.kunzmann.de/shop/en/tunin...ust-system.htm
I'm not sure at which point the OEM exhaust should end and the AMG begin, but as far as mufflers and tailpipes go those appear to be correct.
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Old Apr 30, 2014 | 08:51 AM
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Originally Posted by Mike5215
I'm not sure at which point the OEM exhaust should end and the AMG begin, but as far as mufflers and tailpipes go those appear to be correct.
I sent an email to them asking if that's the original AMG exhaust. Their reply was:

Yes the partnumber B66032015 is similar to an S63 AMG exhaust. With this exhaust the sound will be the same like before, maybe a little bit louder.

When you want an very loud exhaust, you need this:
http://www.kunzmann.de/shop/de/fahrz...lldaempfer.htm
but please note it’s not plug and play, you must do some work on your exhaust.
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Old Apr 30, 2014 | 09:11 AM
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Originally Posted by Max Gothenburg
I sent an email to them asking if that's the original AMG exhaust. Their reply was:

Yes the partnumber B66032015 is similar to an S63 AMG exhaust. With this exhaust the sound will be the same like before, maybe a little bit louder.

When you want an very loud exhaust, you need this:
http://www.kunzmann.de/shop/de/fahrz...lldaempfer.htm
but please note it’s not plug and play, you must do some work on your exhaust.
I guess they're confirming it's an aftermarket piece. I believe the OEM part# should start with A221.
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Old Apr 30, 2014 | 02:17 PM
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Originally Posted by Mike5215
I guess they're confirming it's an aftermarket piece. I believe the OEM part# should start with A221.
Is there a big difference in quality between OEM and aftermarket exhausts?

Struggling to find OEM's.
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Old Apr 30, 2014 | 04:02 PM
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Originally Posted by Max Gothenburg
Is there a big difference in quality between OEM and aftermarket exhausts?

Struggling to find OEM's.
Well unfortunately the only way to be sure would be to install it and hope. It's really a question of design and materials, and how closely the aftermarket piece is tuned vs OEM. They may be perfectly fine.

With the OEM part you know it's going to be right. There are some clips on YouTube with various S550 aftermarket exhaust sounds.
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Old Apr 30, 2014 | 08:18 PM
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That is actually an MB part number. Most parts start with A221 but add-ons and accessories can have a B part number. For example, roof racks and wheels can have those because they may be sold by the dealer or added on as options at the factory.

The part number shows this in the MB pricelist:
Part Number 66032015 Part Name REAR SILENCE MSRP $2,300.00
It is a rear silencer (muffler) and costs $2300US at the dealer.

So I would venture to say it's real. Shipping might be a killer though.

Have you tried a high end exhaust shop in your area? Those guys can draw out a perfect exhaust for you (cats, mufflers, tips) and then go bend it up out of stainless steel in their shop. hey can basically design what you want.

Find a place that does Corvette, MB, BMW exhausts and ask them.

They can make it as loud or quiet as you want. And different sounding however you like.

It will probably be much cheaper than shipping something from Germany that is expensive to begin with.

There's nothing magical about those exhausts.. just a combination of parts & pipes. If you get someone who knows what they're doing, they can build up the same thing or even better.
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Old Apr 30, 2014 | 08:19 PM
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Also as another option, have you found any AMG cars in wrecking yards or being parted out (on forums, eBay, etc.)?

That's a good way to get a reasonably priced exhaust. Then you can have it welded/modified at the flange (if that's even required!) to fit your car. It could even just bolt on if you're lucky...
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Old May 1, 2014 | 04:15 AM
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I was told by the garage I use that a good option would be to remove the two pre-CATs.

You will still pass the emission tests and it sounds a bit better when you apply throttle.
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Old May 1, 2014 | 08:38 AM
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Jus wondering why people purchase a car which has as one of its few goals to be as quiet as possible and then attempt to make it loud?

Thats like putting seats from a windstar in my 911...it just doesn't make sense.
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Old May 2, 2014 | 07:50 PM
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Originally Posted by bha
That is actually an MB part number. Most parts start with A221 but add-ons and accessories can have a B part number. For example, roof racks and wheels can have those because they may be sold by the dealer or added on as options at the factory.

The part number shows this in the MB pricelist:
Part Number 66032015 Part Name REAR SILENCE MSRP $2,300.00

Have you tried a high end exhaust shop in your area? Those guys can draw out a perfect exhaust for you (cats, mufflers, tips) and then go bend it up out of stainless steel in their shop. hey can basically design what you want.

Find a place that does Corvette, MB, BMW exhausts and ask them.

They can make it as loud or quiet as you want. And different sounding however you like.

It will probably be much cheaper than shipping something from Germany that is expensive to begin with.

There's nothing magical about those exhausts.. just a combination of parts & pipes. If you get someone who knows what they're doing, they can build up the same thing or even better.
Spoke to exhaust shop here in Finland yesterday. They told me it's not a problem to build an exhaust similar to AMG's from the scratch. Price would be approximately 1800 euros. Today found an AMG S65 exhaust from Germany for 2400 euros plus delivery costs would be 80 euros which is not bad. So the price difference would be 680 euros. Should I go with custom exhaust or AMG. What do you reckon?
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Old May 2, 2014 | 07:53 PM
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Originally Posted by Quadcammer
Jus wondering why people purchase a car which has as one of its few goals to be as quiet as possible and then attempt to make it loud?

Thats like putting seats from a windstar in my 911...it just doesn't make sense.
Well that's your opinion and I respect that but people want different things form their cars.
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Old May 2, 2014 | 09:49 PM
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Originally Posted by Quadcammer
Jus wondering why people purchase a car which has as one of its few goals to be as quiet as possible and then attempt to make it loud?

Thats like putting seats from a windstar in my 911...it just doesn't make sense.
The W140 and W220 were clearly built to be as quiet as possible. The non-AMG versions of the 220 lacked visible tail pipes all together. The 221 is different. It seems like with the creation of the Maybach line, the 221 S Class was free to become more of a sport sedan than a straight luxury cocoon, so you get the visible dual exhausts and the audible V8 growl when you get into the throttle.

I loved floating around in the cloud that was the 220. but I find myself leaving the 221 tranny in "Sport" and double tapping the downshift paddle whenever I feel like passing someone.

I can see wanting to hear more of the engine during spirited driving. As for aftermarket or AMG, I'd go AMG. No guesswork. And while neither exhaust is going to add value to the car, the AMG gear is less likely to hurt it.
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Old May 7, 2014 | 04:39 PM
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Take a picture under your friend's car and you can some what tell judging by the muffler if its stock or aftermarket. I replaced my stock mufflers with straight pipe, too loud and lots of drone so bought 2 magnaflow mufflers. Great sound on the outside, little rumble on the inside but for the most part its fine on long drives.
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Old May 11, 2014 | 02:59 PM
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Found this S65 AMG exhaust on German Ebay for 1100 euros. Not a bad price. Sellers says it's an original AMG exhaust why do the exhaust tips look a bit weird to me?

http://www.ebay.de/itm/351066550143?...143%26_rdc%3D1

Shouldn't they look like this?

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Old May 11, 2014 | 06:19 PM
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I think the rounded tips were 07-09 and the square tips are 10 - 13. The exhaust should be the same but you may need a different diffuser panel or different tips depending on your year.
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Old May 12, 2014 | 02:02 AM
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Originally Posted by Mike5215
I think the rounded tips were 07-09 and the square tips are 10 - 13. The exhaust should be the same but you may need a different diffuser panel or different tips depending on your year.
If you look at the pictures on that Ebay add and picture of the rounded tips I posted you see they are different. On the rounded tips they are welded together whereas the on on Ebay tips have a gap between them.

I'm not sure whether to go with rounded or square tips. I think rounded look better but then again square tips are from the facelift model. They should both fit the AMG rear bumper?
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Old May 17, 2014 | 04:11 PM
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Before I order AMG exhaust I would appreciate getting an answer to one questions.

Should I buy one with rear mufflers and pipes or will just the rear mufflers do the job in terms of sound? Would be much cheaper just to buy the rear mufflers.




Last edited by Max Gothenburg; May 17, 2014 at 09:25 PM.
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Old May 18, 2014 | 06:06 PM
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Anyone?
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