G35 Sedan V35 2003-06 Discussion about the 1st Generation V35 G35 Sedan

What part makes the biggest difference as far as loudness goes?

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Old Jan 5, 2012 | 10:13 PM
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What exhaust part makes the biggest difference as far as loudness goes?

I looked through the exhaust sticky and the general idea that i get is that pretty much any exhaust will give a mild level of sound... its when you get to test pipes and hiflow cats that loudness becomes an issue... Is that an accurate take?

my plan at the moment is to go with a megan ypipe and catback leaving the cat stock. Im doing it more or less for cosmetic reasons. i bought the car with a custom mid section ending with a magnaflow axle back and hate the way it looks. i cringe every time i check her out from behind... lol anyone know what kind of a difference the megan ypipe may make? if its gonna make a big difference as far as loudness i might pass on it. i do want some noise... just dont want to turn heads unless my foots in it.

all opinions are welcome. however i dont want to go through the hassle of hunting down coupe/z exhaust parts so please dont point me in that direction... that kind of stuff just isnt available in my area. Thanks.
 

Last edited by huyutinkyu; Jan 5, 2012 at 10:40 PM.
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Old Jan 5, 2012 | 10:38 PM
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duno dude. get exhaust and coupe mid
 
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Old Jan 5, 2012 | 10:42 PM
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piping diameter and muffler/resonator size
 
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Old Jan 6, 2012 | 01:28 PM
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Another good option you can check out too is YouTube! There's a ton of videos with all sorts of different set ups out there for you to at least get a general idea of how good one may/or may not sound over the other! GL buddy!
 
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Old Jan 6, 2012 | 02:52 PM
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Even if there's not a lot of coupe/z stuff available in your area you could probably pick up the HR-Y with shipping and still spend less than aftermarket. Im not positive though, I think HR-Y's are getting harder to find but I paid $75 for mine shipped. Love it too.

Y-pipes don't make a drastic difference in the volume of the car, it may be a tad louder but you'll notice a change in the tone mostly. You gain volume by messing with either cats, resonators, or mufflers.
 
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Old Jan 6, 2012 | 02:52 PM
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In my experience the thing that makes the biggest difference in loudness is the engine.
Try and delete and you'll be able to tell immediately.
 
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Old Jan 6, 2012 | 02:54 PM
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The Y-Pipe will not make a drastic difference by itself. Changing out the entire cat-back will do a lot, taking out the cats after that will make the biggest difference you'll ever hear.

Originally Posted by SDGenius
piping diameter and muffler/resonator size
The material and the thickness of the walls of the piping makes a huge difference here too. A lot of cheap exhausts sound cheap because they use cheap metals or thinner piping. The nice quality stuff (HKS, etc...) are usually a bit heavier, or are made with higher quality metals.
 

Last edited by dofu; Jan 6, 2012 at 02:59 PM.
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Old Jan 6, 2012 | 03:16 PM
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^^ Good to know.. btw im thinking about getting megan test pipes with nismo exhaust. what do you guys think?
 
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Old Jan 6, 2012 | 03:19 PM
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Rasp that's what I think
 
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Old Jan 6, 2012 | 03:20 PM
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Op I have a megan y pipe fs lmk man it will change the note a little. And save lb
 
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Old Jan 6, 2012 | 03:30 PM
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Originally Posted by DaGdriver
^^ Good to know.. btw im thinking about getting megan test pipes with nismo exhaust. what do you guys think?
Like *****-ah-saur said, those Megan test pipes are going to be raspy, not to mention having to worry about the welds breaking in a few months. Nismo exhaust is not loud at all btw, it's barely a few decibels louder than the 05+ sedan axle-back and coupe mid-pipe set-ups. I think you'd be better off with just a Megan cat-back if you want a louder sound on a budget. If you have a little more money to spend without going into the premium market, then you should look into a Buddy Club exhaust.
 
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Old Jan 6, 2012 | 03:39 PM
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oh okay good think i didnt buy anything yet hah. Im going to look into the megan cat-back or the buddy club exhaust.. thanks for the help! but as for the megan y pipe ill let you know if i can buy that. im still trying to get my shocks and springs replaced and my compression rod bushings fixed haha
 
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Old Jan 6, 2012 | 08:38 PM
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right on guys. thanks for the pointers.
 
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Old Jan 6, 2012 | 10:38 PM
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my second choice is the borla cat-back... then i wouldnt even need to think about ypipes... what would you go with...? megan ypipe and cat-back ($600) or borla (true) cat-back ($800)?? is the extra 200 worth the quality. any better suggestions for around similar prices? im all ears to suggestions but again just so you know i dont want to hunt for coupe/z parts. i know its cheaper but i just dont want to look and hassle someone else to ship.
 
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Old Jan 6, 2012 | 10:39 PM
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Borla all the way
 
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