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Replace Rear Diffuser

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Old 05-09-2020, 11:49 AM
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Mercedes C43 AMG
Replace Rear Diffuser

Good day C43 owner.. I am looking to replace the stock rear diffuser to something like this ... anyone have some reference where to find, buy this and if you had any experience of replacing it , instructions, that would be greatly appreciated


Old 05-09-2020, 04:58 PM
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C43 AMG Coupe
Originally Posted by virtualart100
Good day C43 owner.. I am looking to replace the stock rear diffuser to something like this ... anyone have some reference where to find, buy this and if you had any experience of replacing it , instructions, that would be greatly appreciated

What you've posted is a stock rear diffuser. You want to replace that with something else?
Old 05-10-2020, 06:35 AM
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No this is the one I have at this moment on mine and I want to go to the more aggressive glossy black with round tip

Old 05-10-2020, 01:38 PM
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Originally Posted by Virtualart
No this is the one I have at this moment on mine and I want to go to the more aggressive glossy black with round tip

The dual round tips are stock OEM from FL c43s. You can interchange em if you like but would costs alot more from the dealer unless you want to get aftermarket variety.
Old 05-10-2020, 03:33 PM
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I had the same motivation to do this change in the past too. I think someone here has done the retrofit and a few guys on Instagram from EU has done it.

I thought about doing it to my 2017 because I thought it completes the rear with a tint more aggressive taste. Kunzmann sells the OEM new rear diffuser with round tips, silver and black. Too bad they don't ship to North America. You can check out the Kunzmann website. If I remember right, you need to get a shop to do the install because it requires drilling an extra hole on the bumper/new diffuser for proper fitment. If you a handy, you can probably diy the install.

Time has passed and now I just rather save the money for something else (uncertain times for all) or maybe a new package in the next car eventually. My car as-is is amazing enough for me.
Old 05-10-2020, 06:30 PM
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user danjmart on ebay sells the facelift diffuser kits. thats who i got mine through. everything was bolt on. i have a sedan though. you may need to message him if you want something for coupe.
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Old 05-11-2020, 01:50 AM
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Originally Posted by Virtualart
No this is the one I have at this moment on mine and I want to go to the more aggressive glossy black with round tip

CKS Performance sells the facelift (2019+) C43 AMG Diffusers which can be installed on 2018's..at least I know they have the one for Sedans. www.cksperformance.com Check to see if they have one that fits the Coupe..

I bought one from there and am waiting for it to be shipped. The one they sell is a Genuine Mercedes Part which you can get in Chrome or Night Package. They are in the UK I believe.

However for about half the price there are also some sellers on Ebay that sell the facelift diffusers but all the ones that I saw are from China (high shipping costs right now) and not Night Package or Chrome Genuine MBZ parts.

Last edited by VitaminJB; 05-11-2020 at 01:52 AM.
Old 05-15-2020, 01:55 AM
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benz cla200
Do you like this one?

Old 05-19-2020, 07:54 AM
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I love the dual round tips, eBay has some kits, about $450. Knock offs, so buyer beware! Fitment could be hit or miss.
Old 05-21-2020, 09:35 AM
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Here you go

https://m.aliexpress.com/item/400036...7%237566%23874
Old 05-21-2020, 10:05 AM
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Yep, but who knows on fitment until you try it. Description doesn’t note if tips are SS, something to ask. eBay and Amazon have them too.
Old 07-02-2020, 02:03 AM
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If anyone want to trade my OEM chrome tips for the black edition black tips, let me know. I hate my chrome and don't really want to spray paint them either.. hellpp
Old 01-08-2021, 02:32 PM
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2018 C43 AMG Coupe
I like the larger exhaust tips. I have a 2018 C43 amg coupe with the split tail pipes. does anyone know where to buy tips for 2018 C43 coupe?
Old 01-16-2021, 11:58 AM
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Purchased from CKS. Install took about 4 hours because I was taking my time and trying to figure it out without instructions. Hardest part is being patient while dealing with all the rivets.

Last edited by dtang; 01-16-2021 at 12:07 PM.
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Old 01-18-2021, 08:50 PM
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Originally Posted by dtang


Purchased from CKS. Install took about 4 hours because I was taking my time and trying to figure it out without instructions. Hardest part is being patient while dealing with all the rivets.
Did you get the aftermarket one or the oem? There's 2 on ck's website.
Old 01-18-2021, 09:33 PM
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Originally Posted by dtang


Purchased from CKS. Install took about 4 hours because I was taking my time and trying to figure it out without instructions. Hardest part is being patient while dealing with all the rivets.
Just realized you installed it yourself. Good job. How was the shipping cost and time to get to Ontario?

Last edited by mcschan86; 01-18-2021 at 09:39 PM.
Old 01-18-2021, 09:36 PM
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C43 AMG Coupe (2017)
Originally Posted by dtang


Purchased from CKS. Install took about 4 hours because I was taking my time and trying to figure it out without instructions. Hardest part is being patient while dealing with all the rivets.
Looks good mate!
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Old 01-19-2021, 08:29 AM
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Originally Posted by Soobahru
Did you get the aftermarket one or the oem? There's 2 on ck's website.
i purchased the OEM one. Was very tempted to save the extra money for the aftermarket one but wanted to save the headache.
Old 01-19-2021, 08:32 AM
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Originally Posted by mcschan86
Just realized you installed it yourself. Good job. How was the shipping cost and time to get to Ontario?
Shipping was approx $250 which isn’t bad. Lucky I was not charged duty.
Old 01-19-2021, 09:11 AM
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Originally Posted by dtang
i purchased the OEM one. Was very tempted to save the extra money for the aftermarket one but wanted to save the headache.
Just curious, why didn't you go for the square AMG 63 exhaust look?
Old 01-19-2021, 05:00 PM
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Originally Posted by dtang
i purchased the OEM one. Was very tempted to save the extra money for the aftermarket one but wanted to save the headache.
Came out great!
Old 01-20-2021, 05:41 PM
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Originally Posted by Muskokamarc
Just curious, why didn't you go for the square AMG 63 exhaust look?
Loved the look of the round quad tip. Looks more aggressive in my opinion. Also removed the resonator on the exhaust so wanted the exhaust tips matching the sound. If that makes sense.
Old 01-20-2021, 06:02 PM
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Originally Posted by dtang
Loved the look of the round quad tip. Looks more aggressive in my opinion. Also removed the resonator on the exhaust so wanted the exhaust tips matching the sound. If that makes sense.
Gotcha. Do you have the AMG performance exhaust? I would like to hear what it sounds like without the resonators.
Old 01-21-2021, 08:24 AM
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Originally Posted by Muskokamarc
Gotcha. Do you have the AMG performance exhaust? I would like to hear what it sounds like without the resonators.
Non-PE exhaust. Also have the JB4 map 2. I think it sounds great. Was going to do muffler delete but glad I didn’t get it done. Car is in storage for the winter but can post a vid once there’s a nice day out.
Old 01-22-2021, 07:51 AM
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2018 C43, White with Red interior
Looks great !

But who is CKS ???


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