Go Back  MBWorld.org Forums > Mercedes-Benz AMG Vehicles > C43 AMG, C63 AMG, C63S AMG (W205) > C63/C63S AMG
2015 Mercedes-AMG C63S Secondary Cat Delete >

2015 Mercedes-AMG C63S Secondary Cat Delete

Notices
C63/C63S AMG
Sponsored by:
Sponsored by:

2015 Mercedes-AMG C63S Secondary Cat Delete

 
Old 11-19-2015, 11:09 PM
  #1  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
2015 Mercedes-AMG C63S Secondary Cat Delete

Damn the secondary cat delete made quite the difference! It sounds extremely good when revving the car, or driving it in the city, but at highway speeds/high revs it sounds ever better!

Cold start video! (Ignore my dads loud breathing lol)-

Revving video!-
kuba.95 is offline  
Old 11-20-2015, 08:55 AM
  #2  
Junior Member
 
V8BiturboAMG's Avatar
 
Join Date: Nov 2015
Location: Staten Island, mostly Brooklyn
Posts: 21
Likes: 0
Received 0 Likes on 0 Posts
C300 AMG
That sounds so good, that's how it should have came from the factory. Is it any louder in the cabin?
V8BiturboAMG is offline  
Old 11-20-2015, 09:16 AM
  #3  
Senior Member
 
Join Date: Apr 2015
Location: Atlanta, GA
Posts: 299
Received 10 Likes on 9 Posts
2016 AMG C63S
Sounds great! What was the cost to do that? And is there any downside to this mod?
jeremyf0923 is offline  
Old 11-20-2015, 10:22 AM
  #4  
Member
 
Join Date: Aug 2015
Posts: 127
Likes: 0
Received 0 Likes on 0 Posts
2016 E63S
Originally Posted by jeremyf0923 View Post
Sounds great! What was the cost to do that? And is there any downside to this mod?
Only negative effect of an exhaust mod would be drop in MPG due to keeping your foot on the throttle all day long to hear it.
marcolarco52 is offline  
Old 11-20-2015, 11:10 AM
  #5  
MBWorld Fanatic!
 
Join Date: Feb 2013
Location: NJ
Posts: 1,625
Received 22 Likes on 21 Posts
17 C63 S Coupe
This is the essentially the same as a Mid-Pipe; correct?
JPMBenz is offline  
Old 11-20-2015, 11:17 AM
  #6  
Junior Member
 
Join Date: Oct 2015
Posts: 46
Received 3 Likes on 3 Posts
C63S
finally a video on an exhaust modification, these type of videos makes me want to get one of these
M177fanatic is offline  
Old 11-20-2015, 04:12 PM
  #7  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
Originally Posted by V8BiturboAMG View Post
That sounds so good, that's how it should have came from the factory. Is it any louder in the cabin?
Well it already came from the factory without a resonator, and it already has cutouts which partially bypass the muffler so AMG already did a lot that you'd usually have to remove on your own for most cars.

In comfort mode it's still quiet, and luxurious. You just hear a tiny bit of that V8 rumble (More aggressive rumble then before). In Sport+ and Race mode it is quite a bit louder if you give the car gas, and the car makes popping and crackling and all those lovely sounds a lot more. So it's definitely louder in the cabin. Especially at the 4k and above rpm range. Also the best sound is in 5th gear when you're going 110km/h and you accelerate. Sounds so beastly during that!

Originally Posted by jeremyf0923 View Post
Sounds great! What was the cost to do that? And is there any downside to this mod?
$300 Canadian since it had two secondary cats instead of 1. Only downside is you lose a bit of backpressure therefore you lose some power at the lower range (It's so miniscule you don't even notice), but in return you get a lot more sound, and you get more power at the higher rpm range. To avoid the loss of backpressure though you can get xpipes instead of straight pipes, but you'd get a bit less sound then.

Originally Posted by marcolarco52 View Post
Only negative effect of an exhaust mod would be drop in MPG due to keeping your foot on the throttle all day long to hear it.
Haha true! Only other possible negative is that the neighbors will hate you, that is if you care what they think lol.

Originally Posted by JPMBenz View Post
This is the essentially the same as a Mid-Pipe; correct?
I believe it's similar since most aftermarket mid pipes get rid of the secondary cat, and the resonator.

Originally Posted by M177fanatic View Post
finally a video on an exhaust modification, these type of videos makes me want to get one of these
The car sounds amazing stock, but this makes it sound a lot better! Still thinking of getting a exhaust cut out that fully bypasses the mufflers instead of partially bypassing them like the stock ones do, but I think that could possibly make the car a bit too loud.
kuba.95 is offline  
Old 11-20-2015, 04:21 PM
  #8  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
kuba.95 is offline  
Old 11-20-2015, 10:31 PM
  #9  
Senior Member
 
Join Date: Apr 2015
Location: Atlanta, GA
Posts: 299
Received 10 Likes on 9 Posts
2016 AMG C63S
One more question - does this mod negatively impact manufacturer warranty or annual emission check?
jeremyf0923 is offline  
Old 11-21-2015, 12:07 AM
  #10  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
Originally Posted by jeremyf0923 View Post
One more question - does this mod negatively impact manufacturer warranty or annual emission check?
I believe it impacts the exhaust or the catalytic warranty. Dealership said not worry though since as long as you don't loose to much backpressure you're fine since it won't cause any damage to anything. As for the emissions... It coulda affect that since the secondary cat cleans a tiny bit of the emissions (5% if I remember correctly), but you won't get a check engine light since the emission sensor are before the secondary cat.
kuba.95 is offline  
Old 11-25-2015, 10:30 AM
  #11  
Member
 
Join Date: Aug 2013
Location: Chicago
Posts: 219
Received 9 Likes on 2 Posts
2016 C63 S, 2011 C63 R.I.P.
do you have the performance exhaust or the regular exhaust?
rmt52 is offline  
Old 11-25-2015, 04:33 PM
  #12  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
Originally Posted by rmt52 View Post
do you have the performance exhaust or the regular exhaust?
Performance exhaust
kuba.95 is offline  
Old 11-26-2015, 01:12 AM
  #13  
Junior Member
 
Join Date: Aug 2015
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
2015 C63 amg s
Where are the secondary cats?
Nadli34 is offline  
Old 11-26-2015, 05:12 PM
  #14  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
Originally Posted by Nadli34 View Post
Where are the secondary cats?
It's just a bit after the sensor after the primary cat. Don't have a exact location though.
kuba.95 is offline  
Old 11-26-2015, 06:08 PM
  #15  
Junior Member
 
Join Date: Aug 2015
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
2015 C63 amg s
Originally Posted by kuba.95 View Post
It's just a bit after the sensor after the primary cat. Don't have a exact location though.
Is it on the down pipe? or is it on the mid pipe?
Nadli34 is offline  
Old 11-26-2015, 06:21 PM
  #16  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
Originally Posted by Nadli34 View Post
Is it on the down pipe? or is it on the mid pipe?
I believe that the secondary cats are on the mid pipe, while the Primary cat is just after the downpipe or at the downpipe.
kuba.95 is offline  
Old 11-26-2015, 06:26 PM
  #17  
Junior Member
 
Join Date: Aug 2015
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
2015 C63 amg s
Originally Posted by kuba.95 View Post
I believe that the secondary cats are on the mid pipe, while the Primary cat is just after the downpipe or at the downpipe.
Alright thats good to hear. Thanks
Nadli34 is offline  
Old 11-30-2015, 12:44 AM
  #18  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
The sound that a decated C63S makes when upshifting at 6500-7000 rpm is absolutely insane!!!!
kuba.95 is offline  
Old 11-30-2015, 12:17 PM
  #19  
MBWorld Fanatic!
 
kb24forlife24's Avatar
 
Join Date: Nov 2012
Location: SoCal
Posts: 1,314
Received 11 Likes on 10 Posts
None for now
Post more videos!
kb24forlife24 is offline  
Old 11-30-2015, 05:34 PM
  #20  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
Originally Posted by kb24forlife24 View Post
Post more videos!
I'll probably record a video or two on Friday when I'm hanging out with my friends, and probably post the video/videos on Friday night or Saturday morning.
kuba.95 is offline  
Old 12-01-2015, 06:28 PM
  #21  
MBWorld Fanatic!
 
Sanch's Avatar
 
Join Date: Sep 2015
Location: Sydney
Posts: 2,114
Received 240 Likes on 210 Posts
AMG C63s
Sounds great, might have to look into doing this to mine too!
Sanch is offline  
Old 12-01-2015, 06:36 PM
  #22  
Junior Member
 
Join Date: Aug 2015
Posts: 20
Likes: 0
Received 0 Likes on 0 Posts
2015 C63 amg s
Getting mine done tomorrow morning! I'll take some videos asap
Nadli34 is offline  
Old 12-05-2015, 03:48 AM
  #23  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
The phone doesn't pick up the sound too well, and the videos don't do the sound justice at all but here are two anyways. If I ever get my hands on a go pro or borrow one from a friend then i'll make a gopro video. Hopefully that would pick up the sound properly cause there's a huge difference between stock, and secondary cat delete.


kuba.95 is offline  
Old 12-05-2015, 06:58 PM
  #24  
Junior Member
 
Join Date: Aug 2007
Location: San Francisco, CA
Posts: 47
Likes: 0
Received 0 Likes on 0 Posts
'15 Boxster, '10 S4
This seems like it's really illegal in Canada. You won't pass visual smog inspection in California. The only way to avoid it is if the car is so low that the guy can't tell. I'm talking like under 4" off the ground. They don't have lifts at the smog check places.
westwest888 is offline  
Old 12-05-2015, 07:23 PM
  #25  
Super Member
Thread Starter
 
kuba.95's Avatar
 
Join Date: Jul 2013
Location: Edmonton Alberta Canada
Posts: 825
Received 8 Likes on 6 Posts
Mercedes-AMG C63S Edition 1
Originally Posted by westwest888 View Post
This seems like it's really illegal in Canada. You won't pass visual smog inspection in California. The only way to avoid it is if the car is so low that the guy can't tell. I'm talking like under 4" off the ground. They don't have lifts at the smog check places.

I believe that each province has it's own sets of laws so I'm safe here in Alberta especially since they don't check for emissions here.
kuba.95 is offline  

Thread Tools
Search this Thread
Rate This Thread
Rate This Thread:
You have already rated this thread Rating: Thread Rating: 0 votes,  average.

Quick Reply: 2015 Mercedes-AMG C63S Secondary Cat Delete


Contact Us - About Us - Archive - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
 
  • Ask a Question
    Get answers from community experts
Question Title:
Description:
Your question will be posted in: