GLC63s, GLC63, GLC43 AMG SUV and Coupe (X253, C253) 2015 - Present

Bang for buck exhaust options for glc63s coupe?

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Old Dec 30, 2020 | 02:11 AM
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2020 glc63s coupe. 2021 mach e awd. 2016 camaro 2ss.
Bang for buck exhaust options for glc63s coupe?

I googled/searched and seems the main options are capristo $10000 cdn, or straight pipe.

I would've been fine with the amg performance exhaust, but to get it you need the premium package just to get the amg drivers package (exhaust) for about $10000 (CDN).

I assume straight pipe is "please impound my car" level and quality of noise?

I've been looking at cpo and need almost 0 of the options. The CPOs with their 20-25k in options are going for the same price as a base msrp glc63s coupe so if there's a way to get a good exhaust without shelling out almost 10k, then I could justify not getting any options and just buying new. Or if performance exhaust isn't loud enough for me, then i shouldn't bother spending money on it if i'm just going to swap it out.

For level of noise i'm comfortable with, my last car 2015 mustang gt had roush axle back exhaust and res delete (replaced with H pipe).

I'm not sure if cat delete is an option since we have many cars getting impounded for noise mods, and cops smelling no cats would attract too much attention.

inb4 "amg and bang for buck don't belong in same thread" - 10k for an exhaust seems absurd but can't find any others on google. i get AMG tax but damn.

Is res delete a significant change in volume? I couldn't find pictures of undercarriage/exhaust of stock glc63s. Where is the resonator?

And lastly, what is the difference between the performance exhaust and stock exhaust? Are the pops/crackles the same but the volume is simply louder on performance exhaust and more control? But I also read you can have almost as much control since the flaps will be open (non perf exhaust) when in sport or sport +?

Last edited by dtmwerks; Dec 30, 2020 at 02:20 AM.
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Old Dec 30, 2020 | 09:49 PM
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I had a C63 and the exhaust was definitely louder than my GLC. Both had the performance exhaust package though. I suspect the difference is all in the tune. DPs will obviously help. Any more than that (tune + DPs) I feel the sophistication of the AMG sounds gets lost. That said, you can get a flap-open mod to keep it loud if desired.
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Old Dec 30, 2020 | 09:56 PM
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Are downpipes as loud as a "real" exhaust mod like capristo?

The problem is I think from what I've read, even flaps always open mod on a non performance exhaust will be pretty quiet, compared to a real exhaust mod. Especially if you're saying a glc63 is more quiet than a c63. Do you happen to know if the non performance exhaust has the pops/crackles?
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Old Dec 31, 2020 | 11:48 AM
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Originally Posted by dtmwerks
Are downpipes as loud as a "real" exhaust mod like capristo?

The problem is I think from what I've read, even flaps always open mod on a non performance exhaust will be pretty quiet, compared to a real exhaust mod. Especially if you're saying a glc63 is more quiet than a c63. Do you happen to know if the non performance exhaust has the pops/crackles?
Sorry, don't know. I imagine it's hard to find these without performance exhaust. It's a must option in my opinion!
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Old Jan 1, 2021 | 10:12 PM
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This is very similar to the Capristo system, but a bit cheaper:

GL / GLC / GLE / GLS / ML Valvetronic Exhaust - Red Star Exhaust USA

Get a set of their DPs while you're at it:
REDSTAR EXHAUST
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Old Jan 2, 2021 | 02:23 PM
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I am about to purchase a 2019 pre facelift GLC63S and it is well spec’d, but doesn’t have the factory performance exhaust can they be retro fitted in the UK or is there a better solution?
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Old Jan 4, 2021 | 01:07 PM
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Originally Posted by GLCya63
This is very similar to the Capristo system, but a bit cheaper:

GL / GLC / GLE / GLS / ML Valvetronic Exhaust - Red Star Exhaust USA

Get a set of their DPs while you're at it:
REDSTAR EXHAUST
Yeah I actually managed to find them on google. Unfortunately no good videos. They provided me with a 12 second one but wish there were more. Still looking like the best option for me right now.

And omg your name. seriously considering making that my personalized plate XD
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Old Jan 4, 2021 | 01:43 PM
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Originally Posted by Jarrod Swain
I am about to purchase a 2019 pre facelift GLC63S and it is well spec’d, but doesn’t have the factory performance exhaust can they be retro fitted in the UK or is there a better solution?
Personally I wouldn't buy one without that option. It's a must-have for resale as well, let alone the amazing sound that our cars are known for!
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Old Jan 15, 2021 | 01:35 PM
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Does anyone know if performance exhaust option comes with a different tune, and that's why you hear the burbles/cracks more often/louder? or is that solely from the flaps being open and physically different exhaust?
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Old Jan 16, 2021 | 05:29 AM
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The pops and backfires are a result of the tune. Sport+ and Race modes on the stock tune increases the frequencies of pops. Even with flaps open in Normal and Sport the pops are less common.
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Old Jan 19, 2021 | 04:27 PM
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So the stock and PE exhaust option both have the same tune?

And both stock and PE exhaust option have an h pipe with a flap in the middle apparently? Does anyone have more info on that flap? Cause I believe it's not manually controllable at all regardless of option?
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Old Jan 22, 2021 | 02:27 PM
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2020 glc63s coupe. 2021 mach e awd. 2016 camaro 2ss.
Downpipes question

https://redstarexhaustusa.com/merced...r-gesi_400cpsi

1) Do I need heat shield? Vancouver, BC. Won't be tracked.

2) What kind of cats to get? I don't want catless due to smell and warranty issues. Might tune it in future though? Don't understand the numbers.

3) Is this something a reputable exhaust shop could do for a lot cheaper?
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Old Apr 16, 2023 | 03:59 AM
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2021 GLC63s Coupe
Originally Posted by GLCya63
This is very similar to the Capristo system, but a bit cheaper:

GL / GLC / GLE / GLS / ML Valvetronic Exhaust - Red Star Exhaust USA

Get a set of their DPs while you're at it:
REDSTAR EXHAUST
did you ever get this exhaust? how is it?
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Old Apr 17, 2023 | 07:51 PM
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I would say don't bother. I went all the way to straight pipe on my GLC63 and it was still anemic compared to any other V8 performance car I've owned (including the prev-gen E63). I didn't touch the cats though (being in CA). I even asked Eurocharged if they could add the cracks+pops to S-mode and they said they couldn't. (S+ is too jumpy for everyday stop-and-go driving for my preferences.)
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Old Apr 17, 2023 | 11:53 PM
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2021 GLC63s Coupe
Originally Posted by Stereolab42
I would say don't bother. I went all the way to straight pipe on my GLC63 and it was still anemic compared to any other V8 performance car I've owned (including the prev-gen E63). I didn't touch the cats though (being in CA). I even asked Eurocharged if they could add the cracks+pops to S-mode and they said they couldn't. (S+ is too jumpy for everyday stop-and-go driving for my preferences.)
thanks for the info. that's disappointing though. I really wish there was a way to get more pops and louder sound without going catless. also in cali.
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Old Apr 19, 2023 | 10:14 AM
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imedina86's Avatar
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AMG C63s, e70 X5M, 335i,AMG glc63
I live in CenCal, I have a c63s and a glc63, both on catless DPs, both straight pipe exhaust. My wife and I love the sound in race mode, it even helps my son sleep on long car rides... in comfort mode it's not as loud and cops don't seem to notice or care.
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