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Old Jul 25, 2023 | 08:51 PM
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2017 C43 Coupe
Downpipes Suggestions

Hey guys, I’ve been stage 1 on my 2017 c43 coupe with exhaust and intake for a while now and getting a little bored of the car. Thought I’d try going stage 2 and maybe picking up a new car sometime next year. What downpipes are those of you who are stage 2 running? I don’t want catted downpipes. Looking at catless only. I’ve been looking at rvg and weistec but have heard negative things about the weistec ones. Modalworks makes a nice one but they’re out of stock. Open to your guys suggestions. Also if anyone is selling a pair of catless downpipes please reach out to me via pm.
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Old Jul 26, 2023 | 10:42 PM
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C450 & 335i 740whp
just curious but why no catted downpipes? I am stage 2 with the logos catted downpipes with FI exhaust and it sounds awesome. Sound clip below

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Old Jul 27, 2023 | 02:39 AM
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2017 C43 Coupe
that sounds good but im going for a bit of a raspier and louder tone. also the catted ones are like 3x as much. I just want something to increase the fun factor of the car short term until i'm ready to purchase another vehicle.
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Old Jul 27, 2023 | 07:09 PM
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I have had the weistec downpipes installed for over two years without issue. I think there were problems with earlier productions, but I have not heard complaints or issues lately.
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Old Aug 6, 2023 | 10:28 AM
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2018 C43 AMG
Downpipe question

I have a 2018 c43. I want to get new downpipes for the car and was wondering if the oem downpipes are catted or not. Do I have to get catted downpipes to pass emissions? I live in NY. Please help. Thank you
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Old Aug 6, 2023 | 05:39 PM
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2015 C400 4MATIC Palladium Silver Metallic
I just ordered my CTS catted downpipes a few days ago, we'll see how it goes.
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Old Aug 6, 2023 | 09:43 PM
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Originally Posted by White_Lghtning
I have a 2018 c43. I want to get new downpipes for the car and was wondering if the oem downpipes are catted or not. Do I have to get catted downpipes to pass emissions? I live in NY. Please help. Thank you
Yes.
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Old Aug 7, 2023 | 06:04 AM
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Originally Posted by C43HeartBoost
Yes.
Thanks for your help
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Old Aug 7, 2023 | 06:05 AM
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2018 C43 AMG
Originally Posted by TwoC400s
I just ordered my CTS catted downpipes a few days ago, we'll see how it goes.
post video of so i can hear the sound after you get them installed. You have stock exhaust?
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Old Aug 7, 2023 | 10:26 AM
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2015 C400 4MATIC Palladium Silver Metallic
Originally Posted by White_Lghtning
post video of so i can hear the sound after you get them installed. You have stock exhaust?
I have a stock C400 exhaust, which I think is similar to the C43 non-PE.
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Old Aug 7, 2023 | 10:38 AM
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2018 C43 AMG
Originally Posted by TwoC400s
I have a stock C400 exhaust, which I think is similar to the C43 non-PE.
non PE? What's that?
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Old Aug 7, 2023 | 09:51 PM
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C450,GLC 63,VW GTI
Originally Posted by White_Lghtning
I have a 2018 c43. I want to get new downpipes for the car and was wondering if the oem downpipes are catted or not. Do I have to get catted downpipes to pass emissions? I live in NY. Please help. Thank you
your semi local to me, yes you have to have catted in NY to pass emissions. i have pair of their stealth series new for sale (pm me), these have no check engine light and i purchased them exactly for that,,,not to fail emissions. Selling because I traded in the car and never got to put these on. :-/
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Old Aug 7, 2023 | 09:58 PM
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2015 C400 4MATIC Palladium Silver Metallic
Originally Posted by White_Lghtning
non PE? What's that?
Performance Exhaust, aka the u78.

My car (C400) is basically a U21.

https://mbworld.org/forums/c450-c43-...omparison.html


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