Intake & Exhaust Questions and info regarding various aftermatket exhaust systems for the G35 (Headers,Y-Pipes, and Cat-Back Systems)

NEW Motordyne Exhaust, Titanium and Dual Setups!

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Old Nov 5, 2009 | 07:14 PM
  #841  
dnice328's Avatar
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From: san jose,ca
^^ vids please!!! this is the set up i've been wanting to do, long tubes with the motordyne shockwave.
 
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Old Nov 5, 2009 | 07:30 PM
  #842  
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From: five oh two
Originally Posted by dnice328
^^ vids please!!! this is the set up i've been wanting to do, long tubes with the motordyne shockwave.
I will have one posted next week weather permitting
 
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Old Nov 5, 2009 | 08:01 PM
  #843  
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Originally Posted by G U LATER
Tony do you plan on releasing this exhaust for the g37 sometime soon?
100%

I only have one part left to build for the 350Z and G35. The new test pipes.

After that comes the 370Z and G37. And when I do thoes parts the development process will go a lot faster because so many of the modules will transfer right over.

The hardest work has already been done.

Oh, and I got the other prototypes in! I'll get you pics ASAP.

Tony
 
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Old Nov 5, 2009 | 08:12 PM
  #844  
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From: five oh two
Tony thanks for the Motordyne Shirt!
 
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Old Nov 5, 2009 | 08:32 PM
  #845  
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I want a MD shirt
 
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Old Nov 5, 2009 | 08:35 PM
  #846  
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Tony, What's the update on the MREV3?

Any idea on the pricing and the power difference from the MREV2?

Thanks.
 
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Old Nov 5, 2009 | 08:57 PM
  #847  
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Tony,
don't forget about the new type of HFC!!!!

I've been holding off the Fast Intensions HFC for you <3
 
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Old Nov 5, 2009 | 09:18 PM
  #848  
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Man Tony got a bunch of us lined up salivating over the new parts lol.
 
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Old Nov 5, 2009 | 09:28 PM
  #849  
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Originally Posted by Black Acc
Tony, What's the update on the MREV3?

Any idea on the pricing and the power difference from the MREV2?

Thanks.
Sorry, no MREV3. It was being much too stubborn from a production point of view.
 
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Old Nov 7, 2009 | 10:09 AM
  #850  
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hey can anyone help me

installed my shockwave TI today and just ran into 1 small niggling problem

I got the alignment perfect of the tips, however the right side sits higher than the left side? I cant bring it down any more and if i bend the place there theere is the holder the exhaust will lower and i am too scared will be too close to the HKS sway bar.

Also, i dont know if i missed anything in the install, but what are the 3 thick washers / spacers for?

Thanks

-Mark

(PS Awesome sounding exhaust and very streetable!)
 
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Old Nov 7, 2009 | 11:52 PM
  #851  
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loosen the v-band clamp and rotate the left tip clockwise a little. It will pull it up some.

You can push the tip out further to match the passenger side by using the stock hangers which should have some play
 
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Old Nov 9, 2009 | 01:40 AM
  #852  
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A quick update!

Wait until you hear sound clips of Shockwave))) V2 axleback. All the loudness of Shockwave))) but with ZERO drone. It worked much better than expected.

It uses a sidebranch helmholtz resonator like the HKS exhaust, but rather than using a axial flow through muffler it uses the straight pipe of the Shockwave))). The only purpose of the sidebranch resonator is to notch out the drone. I hoped for a ~6 db reduction in drone but it went down at least 15db. In fact, I think the only sound the db level meter was reading was the baseline mid-high exhaust frequencies and general road noise. There really was no drone.

And there was another interesting effect. Although it is just as loud as the Shockwave))), from inside the car its surprisingly reasonable and streetable.

And this was tested on a TDX exhaust on a auto G35 with HFC's. The TDX on a auto with HFC's is by far the combination that is most susceptible to drone. ...This new axleback prototype completely killed it.

Today was a good day for exhaust testing. I'll get pictures uploaded shortly. This one will go into production for sure. No drone!

PS - This new axleback section has also been modified to allow for a greater range of adjustability of the tips.
 
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Old Nov 9, 2009 | 01:47 AM
  #853  
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From: Bay area
^how much would it be to add this on if i already have a shockwave exhaust, or is it a completely different exhaust?
 
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Old Nov 9, 2009 | 03:05 AM
  #854  
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It sure was a good day! Tony isn't exaggerating when he says there's no drone, it completely killed it. I first noticed the drone was gone the moment I turned the car on, the difference is night and day.

It was great finally meeting you Tony, thanks for the tips . I'll comment and give a better review tomorrow after work, as well as edit some sound clips for everyone to hear .

Edit: Just noticed you went with the name suggestion haha
 

Last edited by Silencer_0; Nov 9, 2009 at 04:18 AM.
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Old Nov 9, 2009 | 12:35 PM
  #855  
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It has been suggested that this first prototype be called Shockwave))) V2. What do you think?
Functionally, it has the same mid-range and high frequency sound and loudness as the Shockwave))) but the side branch resonator works as a high pass filter and it totally kills the drone.

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In the picture below both types of Blue Ti tips are shown. Blue straight lip on the left. Blue rolled lip on the right.
Some people like them rolled. Some like them with the straight lip. You can have it either way. Even in Silver Titanium!
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Here are some more pictures of the same parts at different angles.
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The parts shown above are prototypes that were built on my Z. The production version will be a lot cleaner than these.

The 06 6MT Z with stock cats and the regular Shockwave))) doesn't have a problem with drone. But the owner of the G35 below (Fab) had HFC's connected to the TDX and he has a automatic transmission and it had bad drone. After these new axlebacks were installed the drone completely vanished. Gone. Drone problem solved!

I was reluctant to bring the 350Z TDX exhaust to the market until the drone problem could be solved. Now that is has been solved, I will move forward with the TDX for the 350.

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