C63 AMG (W204) 2008 - 2015
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Old Sep 7, 2009 | 08:32 PM
  #1  
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C63 AMG
RENNTECH PKG3

Says that there is a "sound pipe mod"

Does anyone know what that consists of?

Anyone running the Renntech ECU2 tune?? Im thinking of pairing that or Kleeman K2 tune with the MHP LT headers..
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Old Sep 7, 2009 | 09:58 PM
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'09 C63 AMG
Although I do not know what the stage 3 "sound pipe" mod is, I'm now running the RENNtech stage 2 ecu flash tune ...

https://mbworld.org/forums/c63-amg-w...y-capable.html
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Old Sep 7, 2009 | 10:19 PM
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From: prattville alabama
C63
Originally Posted by Merc63
Says that there is a "sound pipe mod"

Does anyone know what that consists of?

Anyone running the Renntech ECU2 tune?? Im thinking of pairing that or Kleeman K2 tune with the MHP LT headers..
Kleeman K2 comes with the headers, i think what you want is the kleeman ecu upgrade with mhp lt headers
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Old Sep 8, 2009 | 01:16 AM
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From: Moscow Russia, Los Angeles USA
2009 MB C63 2007 MB ML63 2006 MB CLS 500 (wife)
I have PKG 3 on my car.
Sound mod is basically secondary cat removed and replaced with Rentech pipe (maybe there are some internal ribs or curves inside that pipe that make it sound "special"). However I have not heard a C63 without sec cat, maybe there is not much difference.
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Old Sep 8, 2009 | 04:41 AM
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n/a
Originally Posted by -michael-
I have PKG 3 on my car.
Sound mod is basically secondary cat removed and replaced with Rentech pipe (maybe there are some internal ribs or curves inside that pipe that make it sound "special"). However I have not heard a C63 without sec cat, maybe there is not much difference.
Is the pipe as bolt-on set up or is cutting & welding required?

Thanks in advance.

C
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Old Sep 8, 2009 | 04:55 AM
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C63 AMG
Originally Posted by sflgator
Although I do not know what the stage 3 "sound pipe" mod is, I'm now running the RENNtech stage 2 ecu flash tune ...

https://mbworld.org/forums/c63-amg-w...y-capable.html

So you just have the Renntech stage 2 tune? I take it you are very happy with it still?? Was it worth the money?

I've been reading lots about tuning and have decided to pay the extra bucks and go with the guys that seem to know the most about doing it.
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Old Sep 8, 2009 | 11:18 AM
  #7  
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07 RS4 sold, R53 Cooper S, 2008 Cayman S, 2012 GTR
Originally Posted by x838nwy
Is the pipe as bolt-on set up or is cutting & welding required?

Thanks in advance.

C
it is a bolt on setup, basically completely replaces the whole section from the flanges on the downpipe to right before the resonators. I will take a picture for you guys later today, as we have one at the shop.

Here is a picture provided by renntech


We also have the RENNtech airbox in stock and available as well.

James@acg
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Old Sep 8, 2009 | 11:42 AM
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Originally Posted by Merc63
So you just have the Renntech stage 2 tune? I take it you are very happy with it still?? Was it worth the money?

I've been reading lots about tuning and have decided to pay the extra bucks and go with the guys that seem to know the most about doing it.
Yes, very happy w/ the RENNtech stage 2 ecu flash. . PM me and I'll put you in touch w/ the RENNtech sales mgr and/or owner/president of RENNtech; these guys know their ***** and will answer any questions you may have.
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Old Sep 10, 2009 | 05:16 PM
  #9  
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'09 C63 Performance Package - Steel Grey/Sahara Biege
Originally Posted by James@ACGSD
it is a bolt on setup, basically completely replaces the whole section from the flanges on the downpipe to right before the resonators. I will take a picture for you guys later today, as we have one at the shop.

Here is a picture provided by renntech


We also have the RENNtech airbox in stock and available as well.

James@acg
Any update here? Pricing perhaps? Would this throw a CEL with a stock tune?
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Old Sep 10, 2009 | 09:37 PM
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From: San Diego, CA
07 RS4 sold, R53 Cooper S, 2008 Cayman S, 2012 GTR
No cel, as the sound pipes are installed after the post cat o2 sensors. Price is $2440
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Old Sep 10, 2009 | 09:45 PM
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C63 AMG
Don't blame me or take it personal but that is an insane and absurd amount of money for what it is. my .2c
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Old Sep 10, 2009 | 09:47 PM
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Originally Posted by C63newdude
Don't blame me or take it personal but that is an insane and absurd amount of money for what it is. my .2c
Agreed. But is looks purdy.
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Old Sep 10, 2009 | 10:35 PM
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'09 C63 AMG
So how much are the typical "straight" pipes (resonator delete) including install?
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Old Sep 11, 2009 | 11:51 AM
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'09 C63 Performance Package - Steel Grey/Sahara Biege
Originally Posted by sflgator
So how much are the typical "straight" pipes (resonator delete) including install?
From my experience on this site:
1 Billion dollars from a tuner or $150 from a muffler shop.

(No offense to anyone...)
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Old Sep 24, 2009 | 01:05 AM
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I was thinking of replacing my secondary cats with a T304 SS perforated core resonator from Vibrant but several members said it really doesn't add power. This is a very high quality piece that I have used before. The shortest they sell is 12" overall length with a 4" round body at about $57 each. The core is a perforated tube unlike a glass pack.


Attached Thumbnails RENNTECH PKG3-img_0456.jpg  

Last edited by Sincity; Sep 24, 2009 at 01:17 AM.
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Old Sep 24, 2009 | 01:10 AM
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Originally Posted by sflgator
So how much are the typical "straight" pipes (resonator delete) including install?
My shop charged me 200. Resonator delete and 2nd car delete. Replced with 2 str8 pipe.
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Old Sep 24, 2009 | 01:12 AM
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Originally Posted by -michael-
I have PKG 3 on my car.
Sound mod is basically secondary cat removed and replaced with Rentech pipe (maybe there are some internal ribs or curves inside that pipe that make it sound "special"). However I have not heard a C63 without sec cat, maybe there is not much difference.
Do u have the long tubes or the shorty's. And what where u Gains?
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Old Sep 24, 2009 | 01:42 AM
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Originally Posted by mthis
My shop charged me 200. Resonator delete and 2nd car delete. Replced with 2 str8 pipe.
most ppl here have gone w/ straight pipes...anybody have experience w/ x-pipes instead of straight pipes?
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Old Sep 24, 2009 | 01:54 AM
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Originally Posted by Unbreakable1
most ppl here have gone w/ straight pipes...anybody have experience w/ x-pipes instead of straight pipes?
I belive some vendors in this forum sell a 3inch and 2 1/2inch xpipe. I forgot who bit will check
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Old Sep 24, 2009 | 02:05 AM
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Originally Posted by mthis
I belive some vendors in this forum sell a 3inch and 2 1/2inch xpipe. I forgot who bit will check
how do you feel about the performance btwn the two types, str8 vs x-pipe....im currently trying to decide if the x-pipe is worth the extra $$
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Old Sep 24, 2009 | 02:21 AM
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Originally Posted by Unbreakable1
how do you feel about the performance btwn the two types, str8 vs x-pipe....im currently trying to decide if the x-pipe is worth the extra $$
Well my car is not stock and my friends is. I have str8 pipe with no 2nd cats. He had no 2nd cats and x pipe. Sound wise mine is alot louder. As far as performance I would say x pipe with no 2nd cats will show some gains.
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Old Sep 24, 2009 | 02:22 AM
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I put on X-Pipe for my car.

I heard that X-Pipe gives you more torque.

This one was 147,000 yen so its around 1,615(USD)

It really sound good.
Attached Thumbnails RENNTECH PKG3-003_b.jpg   RENNTECH PKG3-main_b.jpg  
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Old Sep 24, 2009 | 04:11 AM
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Originally Posted by HIRO63
I put on X-Pipe for my car.

I heard that X-Pipe gives you more torque.

This one was 147,000 yen so its around 1,615(USD)

It really sound good.
Where did you get it from? They look like bolt ons if I'm not mistaken
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Old Sep 24, 2009 | 08:09 AM
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Originally Posted by Jae Duk
Where did you get it from? They look like bolt ons if I'm not mistaken
They are made in Japan. Shop called First.

You do have to cut it and replace it
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Old Sep 24, 2009 | 09:37 AM
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Originally Posted by HIRO63
I put on X-Pipe for my car.

I heard that X-Pipe gives you more torque.

This one was 147,000 yen so its around 1,615(USD)

It really sound good.
thanks guys...looks like ill be spending the extra money for a x-pipe, however minimal the gain may or may not be...
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