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

OFFICIAL "What Mods Should I Buy?" Sedan Thread

  #46  
Old 03-24-2009, 06:42 PM
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Originally Posted by Lucky-G View Post
Uhh...he has a cat-back exhaust, meaning the Y-pipe AND midpipe are both aftermarket...

High flow cats are about your last option. There's been a lot of research and headers just dont have that cost:benefit ratio...

EDIT: OR you could check out Motordyne's new XYZ pipe.
My bad, I thought he said axle back..
 
  #47  
Old 03-24-2009, 06:58 PM
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"Don't worry...be happy....aweeeeeeeeee"
 
  #48  
Old 03-24-2009, 11:15 PM
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+1

=)
 
  #49  
Old 03-25-2009, 03:09 PM
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Originally Posted by Lucky-G View Post
Uhh...he has a cat-back exhaust, meaning the Y-pipe AND midpipe are both aftermarket...

High flow cats are about your last option. There's been a lot of research and headers just dont have that cost:benefit ratio...

EDIT: OR you could check out Motordyne's new XYZ pipe.
Would the hight flow cats cause any drone, or make the exhuast too loud? Right now my exhaust is quiet in low RPMs but when I hit the gas it growls nicely, especially above 4k rmp. Also, would the hi flow cats cause me to fail any emmissions test? Thanks.
 
  #50  
Old 03-25-2009, 04:17 PM
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Whats louder? stillen gen 2 or hks?
 
  #51  
Old 03-26-2009, 12:51 AM
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Originally Posted by stclairwest View Post
Whats louder? stillen gen 2 or hks?
you tube it.
 
  #52  
Old 03-26-2009, 12:54 AM
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Originally Posted by stclairwest View Post
Whats louder? stillen gen 2 or hks?
Stillen Gen 2 is louder.

Look here

https://g35driver.com/forums/g35-sed...mpilation.html
 
  #53  
Old 03-26-2009, 01:21 AM
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Originally Posted by Blue Dream View Post
Looks like my car all grown up. She's beautiful. Guess I need to start modding!!!!!
Thanks man. Check out my garage for the latest mods, car looks different now.
 
  #54  
Old 03-26-2009, 12:58 PM
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03 Doggy door 5at with 103k

Just goin top to bottom; AEM CAI,5/8'' spacer, stainless headers, custom 2 1/4'' true dual exhaust, underdrive crank pulley, throttle body coolant mod, full revised Z suspension, 18'' stock Z rims, stillen adjustable sways, basic ground wire kit, drilled + slotted rotors, hawk pads, painted calipers and a few other cosmetic things. I had my mind set on getting the uprev osiris tune but can't because the car was built in 8/02. Also I have been looking into swapping my rear diff for one from an MT with the vlsd and 3.5 final drive. Just wondering if I can really do anything else other than a turbo/supercharger. Thanks.

 

Last edited by ttrank; 03-26-2009 at 01:59 PM.
  #55  
Old 03-26-2009, 02:00 PM
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You are going to see the next best gain from the gearing upgrade. If you are not going to boost it, and don't do a ton of freeway driving, I would consider a 3.7 or 3.9 upgrade over the 3.5.
 
  #56  
Old 03-26-2009, 02:32 PM
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I was thinking about doing that and the only thing stopping me is the money. I'm a 19 year old college student and from what I have seen on this site it looks like a could get the 3.5 shipped for around $350-400 and installed for another $200 but anything bigger looks more around the $750-1K range and i'm not sure but would i need an aftermarket LSD to go with a 3.7 or a 3.9. so basically what i am asking is do you think the 3.7 or 3.9 would be significantly quicker than the 3.5 and worth the extra money required to make it all work.
 
  #57  
Old 03-26-2009, 02:40 PM
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acelleration will be significantly better with the 3.7 over the 3.5, and then again with the 3.9 over the 3.7.

Fuel milage will drop and so will top speed, but just how many times are you ever going to take the car to 140mph, realistically?
 
  #58  
Old 03-26-2009, 03:01 PM
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Originally Posted by delsap View Post
I was thinking about doing that and the only thing stopping me is the money. I'm a 19 year old college student and from what I have seen on this site it looks like a could get the 3.5 shipped for around $350-400 and installed for another $200 but anything bigger looks more around the $750-1K range and i'm not sure but would i need an aftermarket LSD to go with a 3.7 or a 3.9. so basically what i am asking is do you think the 3.7 or 3.9 would be significantly quicker than the 3.5 and worth the extra money required to make it all work.
You don't have to get an aftermarket LSD with the gears but depending on how far you want to go with the car it might be a good idea while you're in there.

I went from a oem 3.5 down to 3.3 to help with traction and save me from having to shift into 5th in the 1/4 mile. I found a ~700rpm drop in 6th gear at 70mph. Given the power of my car before and after the mod I can't say how much the mild change from 3.3 to 3.5 would provide but IMO you are better off just waiting and doing it right the first time.

*Again this is if you don't plan to boost your car down the line. If you do, go with the 3.5 or even keep the 3.3*
 
  #59  
Old 03-26-2009, 03:04 PM
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the 3.7 nor the 3.9 ever came OEM with a VLSD?
 
  #60  
Old 03-26-2009, 03:07 PM
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Nope, those are aftermarket setups.
 

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