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Downpipe Sound in eco mode

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Old Jul 28, 2020 | 03:20 PM
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Muhammet Akgül's Avatar
Muhammet Akgül
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w213 E63s
Downpipe Sound in Comfort mode
Hi all Mercedes lovers.
I'm thinking of mounting Downpipe with cat on my E63s. I drive a lot and like that it does not say anything when I cruise on the highway. will it say more with Downpipe in Comfort mode with flaps close, or is it only in sports mode it will make more noise?

Thank you
Last edited by Muhammet Akgül; Jul 28, 2020 at 05:26 PM.
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Old Jul 29, 2020 | 01:21 AM
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aaronpass
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2018 E63 Wagon Stage 2
Originally Posted by Muhammet Akgül
Hi all Mercedes lovers.
I'm thinking of mounting Downpipe with cat on my E63s. I drive a lot and like that it does not say anything when I cruise on the highway. will it say more with Downpipe in Comfort mode with flaps close, or is it only in sports mode it will make more noise?

Thank you
It was my biggest question and no one could really answer it. So I installed them and would say comfort mode (closed) is now slightly less quiet then sport mode (Open) used to be. It’s pretty chill but fairly loud on startup in any mode.
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Old Jul 29, 2020 | 02:38 AM
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izzy63's Avatar
izzy63
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2013 C63
Originally Posted by aaronpass
It was my biggest question and no one could really answer it. So I installed them and would say comfort mode (closed) is now slightly less quiet then sport mode (Open) used to be. It’s pretty chill but fairly loud on startup in any mode.
which brand of high flow cat downpipe did you go with? Seems like renntech is the only one that doesn't need a tune with theirs
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Old Jul 29, 2020 | 04:34 AM
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Muhammet Akgül
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w213 E63s
Originally Posted by aaronpass
It was my biggest question and no one could really answer it. So I installed them and would say comfort mode (closed) is now slightly less quiet then sport mode (Open) used to be. It’s pretty chill but fairly loud on startup in any mode.
Are yours with or without a cat? is it worth it to switch Downpipe?


i have looked at some from supersprint where the primary cat has been removed.
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Old Jul 29, 2020 | 09:57 AM
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2018 E63 Wagon Stage 2
I got mine from Shardul here on the forum, no cat.
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Old Jul 29, 2020 | 10:36 AM
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2020 e63s wagon
it is a good question, i'm would like to hear the difference as well
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