C32 AMG, C55 AMG (W203) 2001 - 2007

2005 C55 Dyno

Old Dec 24, 2011 | 08:16 PM
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2005 C55 Dyno

Hi guys, found this video, this was taken back in July 2011. Car ran 323 wheel horsepower and 340 ft-lbs with air filters and resonator delete.

http://www.youtube.com/watch?v=CeYBI...7vuiXQn_ZNbK-R
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Old Dec 24, 2011 | 08:54 PM
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Solid numbers
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Old Dec 24, 2011 | 09:05 PM
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323/340 without even the secondarys gone is very strong... nice
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Old Dec 24, 2011 | 09:17 PM
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wow 4 more RWHP than mine with exact same mods. nice!
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Old Dec 24, 2011 | 10:32 PM
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Oh Michael I was going to ask you when you got your Eurocharged tune did you notice a huge difference? I just ordered my cable so it can be done remotely. Any difference in seat of the pants feel or fuel economy?
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Old Dec 25, 2011 | 10:08 AM
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Old Dec 25, 2011 | 01:38 PM
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Originally Posted by number_one_c55
Oh Michael I was going to ask you when you got your Eurocharged tune did you notice a huge difference? I just ordered my cable so it can be done remotely. Any difference in seat of the pants feel or fuel economy?
it's been almost a year now since i had my flash and dyno, i'll update my thread i made with a 1 year experience when that comes around next month. you can definitely feel the difference with the flash, specifically in the 3k to 5k RPM range IMO. the gears do swich faster and I do get better fuel economy, and it does lean out your engine safely because i noticed in the base dyno and post dyno there was more smoke coming out the exhaust in the post dyno. i've driven the car to nevada and back and did a challenge there with all my mods with no problems at all with engine heating. knock on wood the only thing that has ever happened to my car while i owned it is the idler pulley going bad which has nothing to do with the flash.
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Old Mar 25, 2012 | 11:29 AM
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Going to remove my secondary cats next weekend. What dyno numbers can I expect? Maybe a 5 WHP increase?
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Old Mar 26, 2012 | 12:01 PM
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I think the exhaust system ties up a total of 30 HP not sure what component contributes the most HP increase though. You should consider the resonator too because I did the cats only at first and there wasn't a very noticeable sound increase I was looking for.
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Old Mar 26, 2012 | 03:02 PM
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Oh yes resonator is long gone. That made a slight difference but want to go the next step.
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Old Mar 26, 2012 | 04:11 PM
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wow mine did 285whp with filters.. Than the tune bumped it up to 303... Im barely above sea level and it the car was fast.. hmmm
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Old Mar 26, 2012 | 06:18 PM
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C55 AMG T with Kleemann K2 and some stuff: 414 hp and 562 Nm :-)
On wednesday I´m doing the Kleemann headers & downpipe,
and primary cats get deleted.
Can´t wait!!!
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Old Mar 26, 2012 | 07:18 PM
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For the guys above with exhaust system mods, how does it change the note? Much louder than stock I imagine. The stock has a really beautiful subtle low end rumble that goes away at highway.
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Old Mar 26, 2012 | 07:18 PM
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A 3" true dual with an X-pipe and secondary cat delete should net some decent hp. That's pretty much the set up the E55 guys run. Long tube headers would be fun too.
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Old Mar 26, 2012 | 09:28 PM
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Originally Posted by MBfinatic
wow mine did 285whp with filters.. Than the tune bumped it up to 303... Im barely above sea level and it the car was fast.. hmmm
Interesting - I did a ECU reset before I went to the dyno shop drove it pretty hard out there, let it cool down for 30 minutes before the run, ran with brand new OEM airfilter and 94 octane fuel. I too was very impressed with the results.
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Old Mar 26, 2012 | 09:34 PM
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Originally Posted by xxaarraa
For the guys above with exhaust system mods, how does it change the note? Much louder than stock I imagine. The stock has a really beautiful subtle low end rumble that goes away at highway.
The resonator is a nice touch. It is still quiet at idle until you get on it, its not C63 loud with just the resonator. I'm going to do the cat delete most likely tomorrow during my lunch break. Dyno run #2 will come mid May once I get some holiday time. Dyno run will consist of Resonator / Cat delete as well as Eurocharged Tune. Hopefully good results! Stay tuned!
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Old Mar 27, 2012 | 11:46 AM
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With headers and the primaries deleted the car is definitely louder. Best way I can describe it, is it sounds like a DOHC Cobra with exhaust.

I love it. Someone quiet when just putting around, but when you get on it. Sounds awesome.
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Old Mar 30, 2012 | 05:25 AM
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C55 AMG T with Kleemann K2 and some stuff: 414 hp and 562 Nm :-)
Now I´ve done the Kleemann headers and deleted primary cats.
With the resonator deleted it sounds really loud now, really
bad ***-loud! I´m considering putting the resonator back on.
The car is rocketfast and at full throttle I can easily blow the
hats off old ladies out strolling...
Kleemann showed me a dynosheet on another car with similar
setup and it showed 414 hp enginepower and 576 Nm. But of
course it´s different from car to car. They tested mine and
said it goes really well...
I´ll write a seperate thread with pictures from the procedure
at Kleemanns soon.
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Old Mar 30, 2012 | 09:15 PM
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Originally Posted by amgen
Now I´ve done the Kleemann headers and deleted primary cats.
With the resonator deleted it sounds really loud now, really
bad ***-loud! I´m considering putting the resonator back on.
The car is rocketfast and at full throttle I can easily blow the
hats off old ladies out strolling...
Kleemann showed me a dynosheet on another car with similar
setup and it showed 414 hp enginepower and 576 Nm. But of
course it´s different from car to car. They tested mine and
said it goes really well...
I´ll write a seperate thread with pictures from the procedure
at Kleemanns soon.
Video or



Congrats, I can see where some might want to tone the Kleemanns down a bit lol... personally, I like mine just fine with no resonator and no cats at all...just like Nactsturm said, she's nice enough until you give her the spurs!

Looking forward to the details
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Old Mar 31, 2012 | 10:30 AM
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This past week, I had my secondary cats deleted - worth it! Sounds very very nice. Normal driving its not to much louder than stock until past 1/4 throttle it sounds fantastic!
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