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

350Z HR Y-pipe installed on a 2003 G35

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  #751  
Old 05-02-2010, 09:16 AM
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normally impact first, soak with PB blaster and go at it again, maybe pull out a breaker bar if there is room.

if not its time to get a hand torch.
 
  #752  
Old 05-02-2010, 08:31 PM
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They reused the same bolts but I bought new nuts and gaskets from the Nissan dealer.
 

Last edited by G35fromPA; 05-10-2010 at 10:46 AM.
  #753  
Old 05-07-2010, 11:08 PM
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just installed mine today. Pretty simple install. Just go crazy with the RB blaster. I did mine by hand/foot at home. Nice providen gains.

Any Sedans want a HR Midpipe, 350z Exhaust, and DE Y-pipe for $60 picked up? This would be an awesome mod for sedans that want to go Dual exhaust.
 
  #754  
Old 05-08-2010, 10:40 AM
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installed my megan racing y pipe n midpipe from a coupe yesterday 50 bux installed in 20 minutes., sounds great!! i woulda dont it but im short a driveway lol
 
  #755  
Old 05-10-2010, 10:49 AM
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So to follow up - I've had the Y-pipe on now for over a week and I will say that throttle tip-in is definitely a bit smoother and it seems easier to pull away from a standstill with this mod. Up top in the rev range the car pulls maybe a tad harder, but it's honestly hard to tell. I know the dyno charts show some gains, and it's quite possible, but I wouldn't say it's anything dramatic feel-wise. However the added smoothness from takeoff alone made the mod worth it, IMHO.
 
  #756  
Old 05-16-2010, 12:17 PM
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Installed mine this morning, nice tweak in the sound. Power? Hard to say yet.

Going to try swapping my Z mid for an 05 sedan unit and see how that sounds.

EDIT: Did the above swap on the weekend, and to be honest, I can't really hear any difference between the Z mid and 05 sedan mid with the HR-Y and HKS setup. I'm lovin' it!
 

Last edited by Swivel; 05-19-2010 at 11:17 PM.
  #757  
Old 05-19-2010, 10:58 PM
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I put mine on this past weekend. I like the extra growl and burble at idle...it's not too much. It definitely seems to pull a little harder at around 3500-4000rpm and above. I don't think I'm crazy.
 
  #758  
Old 05-20-2010, 03:09 PM
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I can get my hands on 1 or 2 of these. 370Z Y. Would anyone be interested?

 
  #759  
Old 05-20-2010, 03:30 PM
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G35 sedan w/ too much money in mods
Hope you're ready for the flood waters to open up here any second. And a heads up if you decide to ship it will cost you between $40-50 per pipe depending what carrier you use. I shipped 2 out to California last year and they were $46 each to ship. I only paid $2000 each for the pipes so I managed to make a little $$$
 

Last edited by Blue Dream; 05-20-2010 at 04:57 PM.
  #760  
Old 05-21-2010, 10:08 AM
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ive read this whole thing a couple times but cant do it the third time. can anyone tell me if the HR 350z ypipe will reduce rasp on a DE engine with hfcs?
 
  #761  
Old 05-21-2010, 11:55 AM
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Interesting question. I don't know why it would do that over the non HR version.
 
  #762  
Old 06-17-2010, 08:05 PM
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what would be better to do? aftermarket y pipes from DE or OEM HR y pipes?
 
  #763  
Old 06-18-2010, 09:31 AM
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Hi guys, I installed an HR Y-pipe off a 2008 350z last night. I have a 06 6MT coupe with the REVUP engine

Impressions:

The exhaust note now sounds a little "deeper" and "raw" , and because of this it actually sounds a little quieter then before. The stock G35 exhaust note is higher pitched, which is a little louder. Again it is defiantly not a huge difference, but is noticeable.

The engine is a little more responsive. Less delay when you press on the gas. Not a huge difference, but it is noticeable.

all in all I would say it is worth it, for now my car is stock with just a Z-tube. Soon I will do MREV2 and spacer, perhaps the HR Y-Pipe will help the engine flow a little better once I increase the air intake flow and capacity by those mods.
 
  #764  
Old 06-18-2010, 09:44 AM
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enjoy!
 
  #765  
Old 07-29-2010, 09:25 AM
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