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Old 08-12-2019 | 09:29 PM
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2017 C63S Coupe
Custom Exhaust

Hello does anyone have a custom exhaust setup on their w205s? Shouldnt a decent exhaust shop be able to replicate a setup like the AWE Track Exhaust since it is basically just a straight pipe?

Last edited by untamedd; 08-12-2019 at 09:37 PM.
Old 08-13-2019 | 01:05 PM
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Originally Posted by untamedd
Hello does anyone have a custom exhaust setup on their w205s? Shouldnt a decent exhaust shop be able to replicate a setup like the AWE Track Exhaust since it is basically just a straight pipe?
I heard a custom exhaust on an AMG GTS a few days ago and it sounded incredible. I asked the owner what he’s done and he told me he took off the 2nd cats and took out the performance muffler, removed the internal bits, then reinstalled the muffler. He also said he stashed the internals to go back to stock if he wanted.

This is the first time I’ve heard the exhaust and heard about the set up. It got me very curious although I can’t find anything online about it. I’d want to know how it works before cutting it up haha. He said he paid $200 to do it at a shop.

The sound was much more violent and sharp. It was like the 2nd cat delete on steroids! Start up and revs were loud! Idle was perfect.

I only have the 2nd cats removed on my C63s w/performance exhaust just for reference.

Last edited by CCMoney; 08-13-2019 at 01:15 PM.
Old 08-13-2019 | 01:10 PM
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Originally Posted by CCMoney
I heard a custom exhaust on a AMG GTS a few days ago and it sounded incredible. I asked the owner what he’s done and he told me he took off the 2nd cats and took out the performance muffler, removed the internal bits, then reinstalled the muffler. He also said he stashed the internals to go back to stock if he wanted.

This is is the first time I’ve heard the exhaust and heard about the set up. It got me very curious although I can’t find anything online about it. I’d want to know how it works before cutting it up haha. He said he paid $200 to do it at a shop.

The sound was much more violent and sharp. It was like the 2nd cat delete on steroids! Start up and revs were loud! Idle was perfect.

I only have the 2nd cats removed on my C63s w/performance exhaust just for reference.
That is interesting. I wonder if the valves were still functional with that setup to quiet the car down when needed?

From what I understood, he basically just re installed a hollow muffler?

I currently have secondary cat delete, asr module and no H valve on my car with the performance exhaust but wouldnt mind going a little louder
Old 08-13-2019 | 01:19 PM
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Originally Posted by untamedd
That is interesting. I wonder if the valves were still functional with that setup to quiet the car down when needed?

From what I understood, he basically just re installed a hollow muffler?

I currently have secondary cat delete, asr module and no H valve on my car with the performance exhaust but wouldnt mind going a little louder
I asked him about the quiet mode too. He demonstrated the difference for me and it pretty much didn’t work. It was just loud or slightly louder. The hollow muffler is what I gathered as well.

My 2018 won’t let me do the ASR module
Old 10-25-2019 | 04:48 PM
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Got my hands on this 3" mid pipe some time back but time to replace the mufflers with straight pipes Track exhaust style. Very eager to see how the car sounds combined with a sec cat delete once all is done!





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Old 10-26-2019 | 03:45 PM
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Took a short clip, enjoy.

Setup: sec cat delete, AWE H pipe and muffler delete. IMO the video doesnt do it that much justice but in person the car is much more throatier now. I love it!

Old 10-27-2019 | 12:19 AM
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I did a Corsa set up on my old CLS55 - it riiiiiiipppped! Never thought to do anything with my current C63, its a lease so I don't want to get too wild with it - im sure there's a video on youtube of my CLS55, was a phenomenal sound.
Old 10-27-2019 | 12:43 AM
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I've read of owners of M3's doing this where they cut off the top of the rear mufflers and remove the guts. Then carefully weld it back together. Respray it and it looks stock to the naked eye during inspections.
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Old 10-29-2019 | 01:19 PM
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Old 10-29-2019 | 09:11 PM
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So... you like hanging out in tunnels and caves, huh? Lucky you. Halloween is coming....

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