E-Class Coupe (C207) & Cabrio (A207) 2010-: E250CDI Coupe, E350 Coupe, E350CDI Coupe, E500 Coupe, E550 Coupe [Coupes & Cabriolets]

Recommendation on new muffler upgrade for 2015 A207

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Old Jun 13, 2024 | 07:03 PM
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2015 E550
Recommendation on new muffler upgrade for 2015 A207

Friends,
It's probably been discussed multiple times here but I am looking for some advice on a muffler upgrade for my 2015 E550 Cabrio (A207).
I have contacted GTHaus: https://gthaus.com/product/mercedes-...8-models-2010/
RennTech: https://www.renntechmercedes.com/ind...07-e550-detail
ECS Tuning: https://www.ecstuning.com/Cart/?add1...esrep=njohnson
Forzaa: https://forzaaa.com/collections/merc...207-e350-3-5na
but cannot decide... any recommendations? Valved or not valved is optional.
Thanks!

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Old Jun 28, 2024 | 01:04 AM
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Originally Posted by leprof93
Friends,
It's probably been discussed multiple times here but I am looking for some advice on a muffler upgrade for my 2015 E550 Cabrio (A207).
I have contacted GTHaus: https://gthaus.com/product/mercedes-...8-models-2010/
RennTech: https://www.renntechmercedes.com/ind...07-e550-detail
ECS Tuning: https://www.ecstuning.com/Cart/?add1...esrep=njohnson
Forzaa: https://forzaaa.com/collections/merc...207-e350-3-5na
but cannot decide... any recommendations? Valved or not valved is optional.
Thanks!
I deleted all resonators, bullet mufflers, added x pipe and used 2017 c63amg mufflers w/o performance exhaust. What a major improvement. Also have OE tune with pops and bangs..Adds to the excitement....I couldn't be happier.

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Old Jun 28, 2024 | 06:28 PM
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Originally Posted by e55amg00
I deleted all resonators, bullet mufflers, added x pipe and used 2017 c63amg mufflers w/o performance exhaust. What a major improvement. Also have OE tune with pops and bangs..Adds to the excitement....I couldn't be happier.
Thanks - I see a few C63 AMG and C63S AMG mufflers for sale on ebay. Do you know what part # you ended up with for a perfect fit? did you go valve or unvalved?
Here are a couple I am watching:
C63S: https://www.ebay.com/itm/256502641696
C63: https://www.ebay.com/itm/266708479155
Also, you mentioned an OE tune? What does that involve?
Thanks for your help.
Cyrille
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Old Jul 11, 2024 | 01:18 AM
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I went with unvalved. My tune has pops and bangs so there was no need to get the valved version. . part numbers A2054900135 for the left and A2054900035 for the right side. The tune is from the company OE tuning.
https://www.oetuning.com/. I took advantage of their 4th of july sale last year. Couldn't be happier!
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Old Jul 11, 2024 | 12:53 PM
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Originally Posted by e55amg00
I went with unvalved. My tune has pops and bangs so there was no need to get the valved version. . part numbers A2054900135 for the left and A2054900035 for the right side. The tune is from the company OE tuning.
https://www.oetuning.com/. I took advantage of their 4th of july sale last year. Couldn't be happier!
Thanks for the info and part numbers? Is your car a 2014 E550? Mine is a 2015 Cab E550 post-facelift - I'd think the part numbers would be the same but thought i'd ask you.
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Old Jul 11, 2024 | 11:00 PM
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Originally Posted by leprof93
Thanks for the info and part numbers? Is your car a 2014 E550? Mine is a 2015 Cab E550 post-facelift - I'd think the part numbers would be the same but thought i'd ask you.
Yes i have a 2014 e550 coupe post facelift . Everything is identical between the two years other than the fact that you have a convertible and i have a coupe.
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Old Oct 1, 2024 | 07:38 PM
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@e55amg00 Just a BIG THANK YOU for your recommendations. I did just what you recommended: C63s mufflers + oetuning with pops and could not be happier. I really appreciate your assistance!!!
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