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

Plenium as first mod?

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Old Aug 27, 2007 | 04:42 PM
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Plenium as first mod?

I have a 04 G35 coupe. The car came with a z-tube im looking to invest in another mod. I'm thinking about purchasing a plenium. Would this be a good mod considering my cars almost bone stock? Is a plenium safe on stock cars?
 
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Old Aug 27, 2007 | 04:44 PM
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Yes and yes
 
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Old Aug 27, 2007 | 05:36 PM
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Can you trully feel the whp gain? Kinetix says thier plenium increases about 15wrph?
 
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Old Aug 27, 2007 | 05:42 PM
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You should.

You should really read up on these spacers/plenums first. "Motordyne" would be a good 1st search.

https://g35driver.com/forums/search....archid=3386391

Then go to their site and read the dyno sheets
 
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Old Aug 27, 2007 | 05:47 PM
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how about a popcharger, they sell them at www.everythingg35.com

awesome sound.
 
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Old Aug 28, 2007 | 11:57 PM
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Do you suggest i get a plenum?
 
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Old Aug 29, 2007 | 12:49 AM
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If you have an '04, just get a spacer.
 
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Old Aug 29, 2007 | 08:02 AM
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yes a PLENUM mod is a great upgrade...PLENUM mods are great $ to hp upgrade for our cars...
 
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Old Aug 29, 2007 | 11:48 AM
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a new plenum or plenum spacer is a perfect starter mod. combined with your z-tube it will be great. look into a motordyne spacer...one of the best bang for your buck

also get either a stillen airbox, jwt popcharger, or K&N filter to really open up your breather mods. it will sound great.
 
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Old Aug 29, 2007 | 11:53 AM
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IMO, if you get an intake, keep the box. Go with a Stillen intake.
 
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Old Aug 29, 2007 | 12:25 PM
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Yes, a plenum is a GREAT first mod and you will feel the gains. I have a plenum for sale right now that is right up your alley . Here is my for sale thread, let me know if you are ready for more power :

https://g35driver.com/forums/archived-sales/174846-fs-crawford-v5-cast-plenum.html
 
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Old Aug 30, 2007 | 07:24 AM
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If you have a 6spd I would do both the plenum and spacer.

If you have an auto i would just do the spacer. Use the 5/16 spacer and you can put the engine cover back on, if you want to keep the stock look.
 
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Old Aug 30, 2007 | 10:02 AM
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Since you have an 04, don't waste your money on a MREV2. Minimal gains will be had. Just get a spacer and with the money you save by not getting the MREV2 buy yourself an intake. Ask about which intake and you'll start a war. Search and read my friend because it all boils down to what YOU like. Don't let anyone change your mind. Good luck with the mod bug, she bites hard!!!!
 
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Old Sep 4, 2007 | 09:12 AM
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Originally Posted by RebelinRI
Ask about which intake and you'll start a war.
What intake should I get? Will underdrive pulleys help me get more power? What about the turbinator?
 
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Old Sep 4, 2007 | 10:44 AM
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Originally Posted by jimmykce1
If you have a 6spd I would do both the plenum and spacer.

If you have an auto i would just do the spacer. Use the 5/16 spacer and you can put the engine cover back on, if you want to keep the stock look.
Are you saying the MREV lower plenum, or an upper plenum?
 
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