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Old Feb 1, 2023 | 07:35 AM
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2017 c63s sedan
Strange Noise
Hi , recently purchased a 2017 c63s , and decided to change the filters out for bmc filters . After doing so and starting the car up , it sounds like popcorn is being made in the exhaust lol , I can’t see how changing the filters could have caused this but just seemed to have occurred after doing so . Any idea what it could be ? Car previously had a bit of a rough idle , was thinking to run some injector cleaner through it before I take it to be diagnosed further , car was purchased with down pipes and a tune already .

see attached video for sound

https://streamable.com/gbi6hb
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Old Feb 2, 2023 | 02:30 AM
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16' C63s, 22' RAM 1500
Damn.. that definitely does NOT sound good.
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Old Feb 2, 2023 | 04:21 AM
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⏱️ 700HP Facelift converted C63 S Coupe with Drexler 3.06 plated LSD
Originally Posted by ap_c63s
Hi , recently purchased a 2017 c63s , and decided to change the filters out for bmc filters . After doing so and starting the car up , it sounds like popcorn is being made in the exhaust lol , I can’t see how changing the filters could have caused this but just seemed to have occurred after doing so . Any idea what it could be ? Car previously had a bit of a rough idle , was thinking to run some injector cleaner through it before I take it to be diagnosed further , car was purchased with down pipes and a tune already .

see attached video for sound

https://streamable.com/gbi6hb
Exhaust flaps same as this guy clok clok clok
Last edited by Jimmy_c63s; Feb 2, 2023 at 04:24 AM. Reason: Added a link
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Old Feb 2, 2023 | 10:19 AM
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Originally Posted by Jimmy_c63s
Exhaust flaps same as this guy clok clok clok
wow identical thanks for that , wouldn’t happen to know a part number for these ?
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Old Feb 2, 2023 | 02:47 PM
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⏱️ 700HP Facelift converted C63 S Coupe with Drexler 3.06 plated LSD
Originally Posted by ap_c63s
wow identical thanks for that , wouldn’t happen to know a part number for these ?
Yeah. Just replace with the identical, albeit cheaper Audi or Ford unit as posted here...
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Old Feb 2, 2023 | 09:52 PM
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Originally Posted by Jimmy_c63s
Yeah. Just replace with the identical, albeit cheaper Audi or Ford unit as posted here...
mate your a legend , Thankyou
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Old Feb 2, 2023 | 10:31 PM
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⏱️ 700HP Facelift converted C63 S Coupe with Drexler 3.06 plated LSD
Originally Posted by ap_c63s
mate your a legend , Thankyou
Any time bro let us know if you have any issues 👍
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