Exhaust and air intake
MBWorld Fanatic!
Joined: Aug 2016
Posts: 2,405
Likes: 724
12 C63BS Magno Alanite Grey, 25 X5 Msport, 08 BMW E93, Ducati Hyper 698
Wow, @BLKROKT is usually quicker at answering these questions - hold on he will get to you.
Last edited by roadkillrob; Mar 17, 2018 at 10:05 AM.
MBWorld Fanatic!
Joined: Jun 2008
Posts: 8,075
Likes: 2,867
From: Los Angeles
2012 P31 C63 Coupe Trackrat, 2019 GLE63S Coupe Beast
Member
Joined: Nov 2016
Posts: 111
Likes: 19
From: South Florida
'12 C63 Coupe
Trending Topics
MBWorld Fanatic!
Joined: Jun 2013
Posts: 1,814
Likes: 152
From: 'Merica
'04 E55 (Gone but not forgotten), '13 C63 P31 (RIP), another '13 C63 PP
MBH Motorsport or America Racing for headers. As far as intake they are very expensive for very marginal gains. I think the Renntech CF airboxes set the benchmark tho.
MB World Stories
The Best of Mercedes & AMG
6 Mercedes Models That Did NOT Age Well (But Are Somehow Still Cool)
Verdad Gallardo
Manual Mercedes? 6 Times Sindelfingen Let Drivers Have All The Fun
Verdad Gallardo
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Verdad Gallardo
8 Classic Boxy Mercedes Designs That Have Aged Like Fine Wine
Verdad Gallardo
Flawlessly Restored Mercedes 190E Evo II Heads to Auction
Verdad Gallardo
Electric Mercedes C-Class Unveiled: 11 Things You Need to Know
Verdad Gallardo
Mercedes EQS Gets A Major Update: Everything You Need to Know
Verdad Gallardo
5 Underrated Mercedes-Benz Models That Don't Get the Love They Deserve
Verdad Gallardo
Mercedes 300D Has Pushed Well Past 1 Million Miles and It Ain't Stopping
Verdad Gallardo
Member
Joined: Mar 2015
Posts: 110
Likes: 4
From: Toronto, ON.
Weekend/Project - W204 C63.
RENNtech intake's available if you are interested:
https://mbworld.org/forums/c63-amg-w...take-m156.html
Will include brand new air filters for free.
https://mbworld.org/forums/c63-amg-w...take-m156.html
Will include brand new air filters for free.
Member
Joined: Nov 2017
Posts: 230
Likes: 30
2013 c63 amg dev pack
While headers seem to be the popular choice around here you can get similar gains for about half the price by going with upgraded log manifolds and fully catless mid-pipes. I gained 36 rwhp with that combo and spent less than $1500. I wouldn't waste a lot of $$ on an intake, unless you've got cash to burn. Row boxes and filters are fine.
MBWorld Fanatic!
Joined: Feb 2011
Posts: 1,752
Likes: 175
From: London, UK
W212 - E63 AMG
While headers seem to be the popular choice around here you can get similar gains for about half the price by going with upgraded log manifolds and fully catless mid-pipes. I gained 36 rwhp with that combo and spent less than $1500. I wouldn't waste a lot of $$ on an intake, unless you've got cash to burn. Row boxes and filters are fine.
Member
Joined: Nov 2017
Posts: 230
Likes: 30
2013 c63 amg dev pack
On that note, I'd really like to see a back to back comparison (which will never happen, i know) of a decatted car vs long tubes decatted. I'm told that long tubes add more power before the peak power point but from what I see on separate cars with either a tune and headers or a tune and a decat...the figures and shape of the curves seem the same
You've gotta think there's more area under the curve with LT's vs logs, but I'm certainly not switching to find out
That was not a fun install.
MBWorld Fanatic!
Joined: Nov 2004
Posts: 6,697
Likes: 382
2005 E55
I have a dyno of my car from just adding headers and keeping same tune on the car. The only thing changed was adding headers. It picked up power only past 5500 rpms so before you all waste 5 grand doing headers I would just do a second cat delete and call it a day.
The bmws have headers installed stock and is why they dont make more power adding them.
here is the dyno on 24 deg timing...same tune etc.The only difference new plugs and new coils as you can see how smooth the curve looks after with headers.On 28 deg timing I would guess 475-480whp but I hit a deer before getting back on the dyno to test new tune.
The bmws have headers installed stock and is why they dont make more power adding them.
here is the dyno on 24 deg timing...same tune etc.The only difference new plugs and new coils as you can see how smooth the curve looks after with headers.On 28 deg timing I would guess 475-480whp but I hit a deer before getting back on the dyno to test new tune.
Last edited by skratch77; Mar 20, 2018 at 10:42 AM.
PREMIUM SPONSOR
Joined: Nov 2012
Posts: 1,914
Likes: 152
From: Cranbury, NJ
Mercedes E55 AMG E211
I can suggest checking out the exhaust for C63 made by Akrapovich:
Akrapovic® - Evolution Line Titanium Exhaust System
Specs:
Exhaust Tubing Material: Titanium
Exit Location: Quad Rear
Exhaust System Sound: Aggressive / Loud
Max Power Stock: 447.9 (HP Imperial) / 454.1 (HP Metric) / 334 (kW) / 6400 (Rpm)
Max Power Akrapovic: 456.6 (HP Imperial) / 463 (HP Metric) / 340.5 (kW) / 6280 (Rpm)
Max Power Increase: 11.6 (HP Imperial) / 11.8 (HP Metric) / 8.7kW) / 3550 (Rpm)
Max Torque Stock: 442.5 (Lb-Ft) / 600 (Nm) / 4370 (Rpm)
Max Torque Akrapovic: 453.1 (Lb-Ft) / 614.3 (Nm) / 3720 (Rpm)
Max Torque Increase: 16.4 (Lb-Ft) / 22.3 (Nm) / 3720 (Rpm)
Weight Stock: 86.9 (Lb) / 39.4 (Kg)
Weight Akrapovic: 44.3 (Lb) / 20.1 (Kg)
Weight Decrease: 42.6 (Lb) / 19.3 (Kg) / 49 (%)
DYNO is available here
Akrapovic® - Evolution Line Titanium Exhaust System
Specs:
Exhaust Tubing Material: Titanium
Exit Location: Quad Rear
Exhaust System Sound: Aggressive / Loud
Max Power Stock: 447.9 (HP Imperial) / 454.1 (HP Metric) / 334 (kW) / 6400 (Rpm)
Max Power Akrapovic: 456.6 (HP Imperial) / 463 (HP Metric) / 340.5 (kW) / 6280 (Rpm)
Max Power Increase: 11.6 (HP Imperial) / 11.8 (HP Metric) / 8.7kW) / 3550 (Rpm)
Max Torque Stock: 442.5 (Lb-Ft) / 600 (Nm) / 4370 (Rpm)
Max Torque Akrapovic: 453.1 (Lb-Ft) / 614.3 (Nm) / 3720 (Rpm)
Max Torque Increase: 16.4 (Lb-Ft) / 22.3 (Nm) / 3720 (Rpm)
Weight Stock: 86.9 (Lb) / 39.4 (Kg)
Weight Akrapovic: 44.3 (Lb) / 20.1 (Kg)
Weight Decrease: 42.6 (Lb) / 19.3 (Kg) / 49 (%)
DYNO is available here
MBWorld Fanatic!
Joined: Feb 2011
Posts: 1,752
Likes: 175
From: London, UK
W212 - E63 AMG
That would be very interesting. Funny thing is, over on the m3 forums there are several big threads on this same topic. Most of the guys over there just do catless x-pipes or test pipes, and they swear they make the same power as arh long tubes because of the good design of the OEM manifolds. Arh claims otherwise but catches hell for it as they haven't shown much proof. Nick from arh and a few guys over there have been going back and forth on the topic for several years.
You've gotta think there's more area under the curve with LT's vs logs, but I'm certainly not switching to find out That was not a fun install.
You've gotta think there's more area under the curve with LT's vs logs, but I'm certainly not switching to find out
That was not a fun install. I know that on my celica a decat is worth 5hp...decat with long tube is 15hp but then it does have an angry vtec cam above 6k rpm...who knowsHmm this could be a task if anyone's bored at work...fish out threads of full decats vs headers
That's stock vs headers and tune....?
Again....be nice to see full decat vs headers and on the same tune
I can suggest checking out the exhaust for C63 made by Akrapovich:
Akrapovic® - Evolution Line Titanium Exhaust System
Specs:
Exhaust Tubing Material: Titanium
Exit Location: Quad Rear
Exhaust System Sound: Aggressive / Loud
Max Power Stock: 447.9 (HP Imperial) / 454.1 (HP Metric) / 334 (kW) / 6400 (Rpm)
Max Power Akrapovic: 456.6 (HP Imperial) / 463 (HP Metric) / 340.5 (kW) / 6280 (Rpm)
Max Power Increase: 11.6 (HP Imperial) / 11.8 (HP Metric) / 8.7kW) / 3550 (Rpm)
Max Torque Stock: 442.5 (Lb-Ft) / 600 (Nm) / 4370 (Rpm)
Max Torque Akrapovic: 453.1 (Lb-Ft) / 614.3 (Nm) / 3720 (Rpm)
Max Torque Increase: 16.4 (Lb-Ft) / 22.3 (Nm) / 3720 (Rpm)
Weight Stock: 86.9 (Lb) / 39.4 (Kg)
Weight Akrapovic: 44.3 (Lb) / 20.1 (Kg)
Weight Decrease: 42.6 (Lb) / 19.3 (Kg) / 49 (%)
DYNO is available here
Akrapovic® - Evolution Line Titanium Exhaust System
Specs:
Exhaust Tubing Material: Titanium
Exit Location: Quad Rear
Exhaust System Sound: Aggressive / Loud
Max Power Stock: 447.9 (HP Imperial) / 454.1 (HP Metric) / 334 (kW) / 6400 (Rpm)
Max Power Akrapovic: 456.6 (HP Imperial) / 463 (HP Metric) / 340.5 (kW) / 6280 (Rpm)
Max Power Increase: 11.6 (HP Imperial) / 11.8 (HP Metric) / 8.7kW) / 3550 (Rpm)
Max Torque Stock: 442.5 (Lb-Ft) / 600 (Nm) / 4370 (Rpm)
Max Torque Akrapovic: 453.1 (Lb-Ft) / 614.3 (Nm) / 3720 (Rpm)
Max Torque Increase: 16.4 (Lb-Ft) / 22.3 (Nm) / 3720 (Rpm)
Weight Stock: 86.9 (Lb) / 39.4 (Kg)
Weight Akrapovic: 44.3 (Lb) / 20.1 (Kg)
Weight Decrease: 42.6 (Lb) / 19.3 (Kg) / 49 (%)
DYNO is available here
Member
Joined: Nov 2017
Posts: 230
Likes: 30
2013 c63 amg dev pack
That's stock vs headers and tune....?
----------
No, the before run is tune only, after is with the manifolds and cat pipe. Never dyno'd stock unfortunately.
----------
No, the before run is tune only, after is with the manifolds and cat pipe. Never dyno'd stock unfortunately.
Last edited by Doc Oc; Mar 21, 2018 at 08:42 AM.
MBWorld Fanatic!
Joined: Sep 2016
Posts: 1,175
Likes: 130
From: NY
2010 C63 2019 GLA45
What do long tubes do with 4 stock converters? Of course there would be no room to have 4 stockers. And if you do this with short headers and they pick up very little, people say it's because of the length of the headers...
In a way, lth are probably not even loud, it's the removal of all 4 converters and only having 2 race converters or none, that is loud.
Too bad nobody makes short headers anymore.
Doc, what HP are the PLM logs good for, with all 4 stock converters?
