Awesome work!!! I'd be all over this offer if I had an 55k. Would you be able to make a custom set for my car to mate with 3" exhaust?
*****Bone stock CLS55 with MBH Longtube headers Dyno Inside*****
Thread Starter
Former Vendor of MBWorld
Joined: May 2009
Posts: 2,305
Likes: 93
From: Valley of the Sun, Arizona
C63, SL55, E55, CLS55, ML63, C55
*****Bone stock CLS55 with MBH Longtube headers Dyno Inside*****
People have been wondering what My long tube headers make for power on a stock 55k AMG. The wait is over. After begging my brother to let me use his car to fit and test a set of MBH/Dyno-Comp Long Tube headers. The results are in!
My brothers CLS55 (hoolamoster, yes he is my brother) runs quite rich from the factory at 10:1 AFR after being fitted with MBH headers and cat test pipes. Secondary cats still intact. the car consistently laid down about 50whp and 45wtq more than his stock baseline. The AFR leaned out to about 10.5:1. Still rich, But I guess that what MBZ factory gave him.
I feel very confident if my headers and test pipes dont make at least 40+whp. send them back for a full refund.
Here is the dyno chart and a quick video, more for sound than anything.
video
http://www.youtube.com/watch?v=iaXa_o-fO6Q
My brothers CLS55 (hoolamoster, yes he is my brother) runs quite rich from the factory at 10:1 AFR after being fitted with MBH headers and cat test pipes. Secondary cats still intact. the car consistently laid down about 50whp and 45wtq more than his stock baseline. The AFR leaned out to about 10.5:1. Still rich, But I guess that what MBZ factory gave him.
I feel very confident if my headers and test pipes dont make at least 40+whp. send them back for a full refund.
Here is the dyno chart and a quick video, more for sound than anything.
video
http://www.youtube.com/watch?v=iaXa_o-fO6Q
Thread Starter
Former Vendor of MBWorld
Joined: May 2009
Posts: 2,305
Likes: 93
From: Valley of the Sun, Arizona
C63, SL55, E55, CLS55, ML63, C55
On a modded E55 my headers made 50whp over the renntech headers it had on it before.
When I was talkign with my brother yesterday morning He asked "How much power do I think they will make?" I said, "About 30whp." When dynoing came around. and the first run was in progress. I watched that 30whp mark come and go. Being a fan of all things power. I was like "Holy crap." Not only did it blow my expectations away. It was able to repeat the same power gains run after run.
This is why I feel so confident now to offer a 100% money back garentee if you dont make 40 or more whp over the stock manifolds.
When I first set out to make headers I was very spacific about wanting top end power. You can search my past post were i state this. After some ajustments a bit of trial and error.. We are there.
These cars have all the torque in the wolrd, I felt from racing we needed more power up top. These cars always seem to cross the traps at the top of 3rd gear. So why not make a header that can get you to big peak power as you cross the line.
Needless to say I'm very excited about being able to offer fellow HP junkies something that does what it is saposed to do.
When I was talkign with my brother yesterday morning He asked "How much power do I think they will make?" I said, "About 30whp." When dynoing came around. and the first run was in progress. I watched that 30whp mark come and go. Being a fan of all things power. I was like "Holy crap." Not only did it blow my expectations away. It was able to repeat the same power gains run after run.
This is why I feel so confident now to offer a 100% money back garentee if you dont make 40 or more whp over the stock manifolds.
When I first set out to make headers I was very spacific about wanting top end power. You can search my past post were i state this. After some ajustments a bit of trial and error.. We are there.
These cars have all the torque in the wolrd, I felt from racing we needed more power up top. These cars always seem to cross the traps at the top of 3rd gear. So why not make a header that can get you to big peak power as you cross the line.
Needless to say I'm very excited about being able to offer fellow HP junkies something that does what it is saposed to do.
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MBWorld Fanatic!
Joined: Jan 2005
Posts: 4,276
Likes: 28
From: Bay Area
2015 E63S, 2018 E63S
Very Nice! This is why I've always said that if I ever decide to mod my car I will address the exhaust 1st. You add hp without touching the engine. On average a pulley and tune would get you about 50hp &50ftlb's with added heat. I know that these headers are expensive but I believe/know that they are worth every penny. Hmmm 125mph traps with a stock engine and exhaust mods only????
Senior Member
Joined: Feb 2008
Posts: 373
Likes: 0
From: Long Island, NY
06 CLS55 AMG
Question... with the elimination of the primary cats, how will the car fare when it comes to an annual state inspection? I know from previous experience with vehicles with "test pipes" (removed cats) and even those just running the secondary cats (primaries removed), passing a state inspection was near impossible...
Are these headers "street legal" or are they being marketed as a "race only" modification?
Are these headers "street legal" or are they being marketed as a "race only" modification?
Banned
Joined: May 2009
Posts: 971
Likes: 1
From: D.C. METRO AREA
CLS55 AMG
Question... with the elimination of the primary cats, how will the car fare when it comes to an annual state inspection? I know from previous experience with vehicles with "test pipes" (removed cats) and even those just running the secondary cats (primaries removed), passing a state inspection was near impossible...
Are these headers "street legal" or are they being marketed as a "race only" modification?
Are these headers "street legal" or are they being marketed as a "race only" modification?
Former Vendor of MBWorld
Joined: Jan 2007
Posts: 3,193
Likes: 3
From: Glendale Arizona
C55,SL55,C63
Question... with the elimination of the primary cats, how will the car fare when it comes to an annual state inspection? I know from previous experience with vehicles with "test pipes" (removed cats) and even those just running the secondary cats (primaries removed), passing a state inspection was near impossible...
Are these headers "street legal" or are they being marketed as a "race only" modification?
Are these headers "street legal" or are they being marketed as a "race only" modification?
As for some other questions. This is the only mod on this car. No ECU tune or anything. Surprisingly he has not gotten a CEL for emissions yet from running "Test Pipes" and no software to turn the back o2 sensors off.
MBWorld Fanatic!
Joined: Mar 2007
Posts: 1,137
Likes: 5
From: Sherman Oaks, CA
06 CLS55 w/ P030, 05 Jag S Type R, 05 TBird-68 Dodge Charger R/T-440 w/4speed I'm original owner
Before headers dyno indicates about 411 HP. Sounds somewhat high over over a typical 55 which dynos at approximately 385 HP or so.
I don't think the delete of the primary cats yields 25 HP.
What's up?
I don't think the delete of the primary cats yields 25 HP.
What's up?
Member
Joined: Jul 2004
Posts: 150
Likes: 0
CLS55
My car dyno'd very high stock, we thought there may have been software on the car. However, we checked it and it was the factory MB file. Its just a strong car... and the funny story is everyone said this car will put down 380 and when it went well above and beyond that we where all blown away ; D
