Custom Cold Air Intake
Thread Starter
Senior Member
Joined: Feb 2012
Posts: 299
Likes: 1
From: London
2004 E55K AMG Wagon
Custom Cold Air Intake
I currently run a Needswings CAI which I have been very happy with however my current mods have now exceeded its ability to flow enough air. Jerry was over in the UK and tuned my car and while on the dyno it was obvious that the car was being choked. Jerry pulled the filters off and I had 20 whp extra straight away. The problem could be the filters but they are also only 4inch diameter so not sure any replacements will do better.
Whats the best option
Build a new one from scratch
Add two large open filters (similar to the Weistec but x 2) but these will be sitting over the headers?
Use one filter just like the Weistec kit but again sitting over the headers
Get a Carbonio box
Main use 1/4 mile runs but also have a high speed run coming soon which is 1.8 mile straight from a rolling start.
Whats the best option
Build a new one from scratch
Add two large open filters (similar to the Weistec but x 2) but these will be sitting over the headers?
Use one filter just like the Weistec kit but again sitting over the headers
Get a Carbonio box
Main use 1/4 mile runs but also have a high speed run coming soon which is 1.8 mile straight from a rolling start.
Thread Starter
Senior Member
Joined: Feb 2012
Posts: 299
Likes: 1
From: London
2004 E55K AMG Wagon
Member
Joined: Jan 2012
Posts: 136
Likes: 1
From: Toronto
2003 E55
I currently run a Needswings CAI which I have been very happy with however my current mods have now exceeded its ability to flow enough air. Jerry was over in the UK and tuned my car and while on the dyno it was obvious that the car was being choked. Jerry pulled the filters off and I had 20 whp extra straight away. The problem could be the filters but they are also only 4inch diameter so not sure any replacements will do better.
Whats the best option
Build a new one from scratch
Add two large open filters (similar to the Weistec but x 2) but these will be sitting over the headers?
Use one filter just like the Weistec kit but again sitting over the headers
Get a Carbonio box
Main use 1/4 mile runs but also have a high speed run coming soon which is 1.8 mile straight from a rolling start.
Whats the best option
Build a new one from scratch
Add two large open filters (similar to the Weistec but x 2) but these will be sitting over the headers?
Use one filter just like the Weistec kit but again sitting over the headers
Get a Carbonio box
Main use 1/4 mile runs but also have a high speed run coming soon which is 1.8 mile straight from a rolling start.
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Thread Starter
Senior Member
Joined: Feb 2012
Posts: 299
Likes: 1
From: London
2004 E55K AMG Wagon
I've built one from scratch. I used 3.5" piping for the y-pipe so it bolts straight up to the 82mm TB. As for the air boxes, for the exact reasons you posted I went with PRM Jet-Stream intakes, they are in a 15" long plastic housing and have a 4.5x12" inverted cone filter inside. The inlet of the airboxes can either be left open or further extended into the rad support with some piping They are made to order so a custom length can be made. They are around $150 a side. Hope it helps
I will check them out
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Member
Joined: Jun 2012
Posts: 226
Likes: 0
From: Gilbert, AZ
2008 SL600
I've built one from scratch. I used 3.5" piping for the y-pipe so it bolts straight up to the 82mm TB. As for the air boxes, for the exact reasons you posted I went with PRM Jet-Stream intakes, they are in a 15" long plastic housing and have a 4.5x12" inverted cone filter inside. The inlet of the airboxes can either be left open or further extended into the rad support with some piping They are made to order so a custom length can be made. They are around $150 a side. Hope it helps
Super Member
Joined: Jul 2012
Posts: 701
Likes: 6
From: San Diego
05 E55, 07 ML500
Just found out I'm exact same boat.. Needswing CAI pull the filters 16 more RWHP
.. Anyone with some more ideas would be appreciated.. Thinking of trying the BMC filters before changing but a not sure it will help.. Dyno does not lie... Looking for more options...
.. Anyone with some more ideas would be appreciated.. Thinking of trying the BMC filters before changing but a not sure it will help.. Dyno does not lie... Looking for more options...
MBWorld Fanatic!
Joined: Apr 2009
Posts: 1,258
Likes: 5
E55
For what it's worth, I had the Carbonio airbox and track tested it against the factory 80mm Y pipe. Ran the same time down to the hundredth, on back to back runs.
As well, I spent alot of time smoothing out the inside of the Carbonio box so I'm certain I had a good example to test.
As well, I spent alot of time smoothing out the inside of the Carbonio box so I'm certain I had a good example to test.
Super Member
Joined: Jul 2012
Posts: 701
Likes: 6
From: San Diego
05 E55, 07 ML500
Carbonio is an option... Where should I go to get more AIR???? It was obvious that I had a pretty good restriction when they pulled the filters.. Jerry saw this in London a couple weeks back... I NEED MORE AIR... Question is how and whom to go with???
MBWorld Fanatic!
Joined: Sep 2002
Posts: 1,719
Likes: 12
From: West
2005 E55 Wagon
I am having the same experience. I have a CAI with 2 six inch KN cone filters behind the grill. When I had the car dynoed months ago, it dynoed 15 more rwhp w/o the filters. I was thinking of having a y pipe made that also allowed a mushroom filter on top of the y pipe, in addition to also allowing the piping for the 2 six inch KN filters in behind the grill.
Super Member
Joined: Jul 2012
Posts: 701
Likes: 6
From: San Diego
05 E55, 07 ML500
Low,
No I did not, and Regret..... All I know is that I'm leaving HP on the table and don't like it..
Hulk,
4" is difinitely an option... Will look into it when I get back from Vegas......
JCJ,
See there HAS TO BE A BETTER WAY... We just need to figure it out... 15-20 rwhp is Worth it IMO....
No I did not, and Regret..... All I know is that I'm leaving HP on the table and don't like it..
Hulk,
4" is difinitely an option... Will look into it when I get back from Vegas......
JCJ,
See there HAS TO BE A BETTER WAY... We just need to figure it out... 15-20 rwhp is Worth it IMO....
Last edited by SilverStrk; Apr 1, 2013 at 11:27 PM.
