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C55 Secondary/Resonator Delete

 
Old 03-16-2017, 06:28 PM
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2005 C55 AMG
C55 Secondary/Resonator Delete



Waiting to pick it up to get a sound clip. This is the first step. The Headers had an issue and waiting for a new set. The C63 Mufflers would not fit.
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Old 03-19-2017, 12:19 PM
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Figuring out how to post clip lol The guys at the shop love this car and were very pleased with the sound difference. This is a shop that does some pretty cool stuff too. From VW Rabbit work to full on exotics. We are all looking forward to the header install.

Last edited by gofisch; 03-19-2017 at 12:48 PM.
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Old 03-19-2017, 05:50 PM
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Yeah nice, I have the same mods and for me the noise is perfect. Anymore would be too loud.


You seem to off pushed the rear bumper in quite a bit and exposed the pipes more. Mine have become a bit hidden, I wish I could do the same.
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Old 03-19-2017, 11:59 PM
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What is that loud whining noise? Do you have a pulley going out? Maybe the front pump?
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Old 03-20-2017, 12:22 AM
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Originally Posted by Smokey31 View Post
Yeah nice, I have the same mods and for me the noise is perfect. Anymore would be too loud.


You seem to off pushed the rear bumper in quite a bit and exposed the pipes more. Mine have become a bit hidden, I wish I could do the same.

Its not much louder but the tone is certainly deeper which is what I wanted. I'm thinking adding the headers will deepen it even more.
I hadn't noticed about the tips, it may be the angle, they were like that when I got the car.
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Old 03-20-2017, 12:24 AM
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Originally Posted by Rocman8 View Post
What is that loud whining noise? Do you have a pulley going out? Maybe the front pump?

I've actually been thinking about that whine lately, I wasn't certain what it was. Is there a way to check the pump? I can inspect the pullies and try to move them and see and feel what I can see and feel. LOL Any suggestions are welcome. I do need to change the ballast for the front headlight, it's starting to blink on and off more now, its starting to be annoying.

Last edited by gofisch; 03-20-2017 at 12:27 AM.
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Old 03-20-2017, 12:43 AM
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An automotive stethoscope will be your best tool for that. Just have someone rev it up just a bit and then start probing around. Take that plastic cap off the front of the idler pulley too so you can put the stethoscope right on the bolt. To check the front pump put it on the bottom of the bellhousing and if it's bad it will be so loud that you will want to immediately pull the stethoscope off of it haha. Exhaust sounds good. I recently bought mine and the previous owner had removed the secondary cats and resonator, installed an x-pipe, and ran true dual exhaust back. Sounds really good like that too.
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Old 03-20-2017, 12:53 AM
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I see the stethoscopes are fairly cheap. Although I'm not sure what I should be hearing. A louder Whine?
On the exhaust my original plan was for he true dual, but the pricing and opinions from the fabricators talked me out of it. I can always add it later after the Headers. But I have been really happy and surprised by the difference. I say it has been the best bang for the buck mod so far.
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Old 03-20-2017, 01:01 AM
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With the stethoscope it will be fairly obvious when a noise is normal or not. Pretty much everything you put it against will give you some kind of noise but when you put it to a bad component it will be screaming almost.
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Old 03-20-2017, 04:17 PM
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Originally Posted by Rocman8 View Post
What is that loud whining noise? Do you have a pulley going out? Maybe the front pump?


All 55 engines make that whine when cold.
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Old 03-20-2017, 08:02 PM
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Originally Posted by Smokey31 View Post
All 55 engines make that whine when cold.
MIne does as well, pretty sure it's the power steering pump and not a pulley.
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Old 03-21-2017, 09:42 PM
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It sounds very nice. I have a blue C55 as well, yours is the second one I came across over the years.
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Old 03-22-2017, 08:46 AM
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Originally Posted by LUV2SPD View Post
It sounds very nice. I have a blue C55 as well, yours is the second one I came across over the years.
Thanks, its actually Diamond Black, but in certain light and angles it definitely looks blue.
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Old 03-26-2017, 02:46 PM
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Sounds lovely, good work!!
IMO deleting the resonator+secondary cats is the best mod for AMGs.
How much I miss the sound of my E55 M113 whining on a cold start. But I prefer my ML over the E
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Old 04-02-2017, 08:56 AM
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Hey guys, I have a problem with mine, seems like my car got slower or lost low end torque? How can I fix this? I deleted the secondary cats Y pipe to the deleted resonator and straight pipes to the muffler, seems like my car don't pick up like it used to :/
Ahh help me please!

Thanks
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Old 04-02-2017, 10:20 AM
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Originally Posted by Pgpatel2 View Post
Hey guys, I have a problem with mine, seems like my car got slower or lost low end torque? How can I fix this? I deleted the secondary cats Y pipe to the deleted resonator and straight pipes to the muffler, seems like my car don't pick up like it used to :/
Ahh help me please!

Thanks
You have any pictures of what they did? What size piping did they use?
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Old 04-02-2017, 01:38 PM
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Originally Posted by gofisch View Post
You have any pictures of what they did? What size piping did they use?
Hey got no pictures of the exhaust sorry, I wish I took one :/
They used 2.5" I think, and steel pipes thanks
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Old 04-02-2017, 09:16 PM
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Originally Posted by Pgpatel2 View Post
Hey guys, I have a problem with mine, seems like my car got slower or lost low end torque? How can I fix this? I deleted the secondary cats Y pipe to the deleted resonator and straight pipes to the muffler, seems like my car don't pick up like it used to :/
Ahh help me please!

Thanks
I would check for a leak in the exhaust system somewhere first. Maybe a crack somewhere, damage to the exhaust manifold. Maybe something got damaged while installing the new pipe further up in the exhaust pipe.
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