MODDING 411 Aftermarket Parts Available for the G37: What's Good, What's Not, Where to Go etc.

Looking for some advice on modding a 2009 G37

Old Jun 22, 2010 | 11:37 PM
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Looking for some advice on modding a 2009 G37

Basically I have a new 2009 g37 Journey and about 1000 dollars to drop on it. I will probably be driving it for a pretty long time so I can't have mods that are going to shorten its life. Also I'd really prefer not to void the cars warranty or at least have the mods be discreet enough that the mechanics at my dealership won't notice. Straight line speed upgrades, to me, are preferable to any handling upgrades.

I don't have any experience modding vehicles and would appreciate any ideas that people have.
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Old Jun 23, 2010 | 12:52 AM
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well first off, any mods whatsoever will be noticed by any tech worth their weight (if they are working around said area of the car). so if you don't want to the dealership to notice, don't mod.

That being said, with the money you have there is barely any speed/power modding you can do. Given money wasn't an issue I'd say

-drop
-wheels
-exhaust
-CAI (or save for SC)

the only one out of those you can get for <=1K is a drop
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Old Jun 23, 2010 | 02:27 PM
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For 1000, I'd get Eibach springs + used exhaust. If you like the stock exhaust right now, I'd get the springs and Hotchkis sway bars.
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Old Jun 23, 2010 | 02:47 PM
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Springs and tanabe mufflers
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Old Jun 23, 2010 | 03:11 PM
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Originally Posted by ucla bruin
For 1000, I'd get Eibach springs + used exhaust. If you like the stock exhaust right now, I'd get the springs and Hotchkis sway bars.
Good call, I totally spaced on the sways.

This is good advice...for your money get the hotchkis and eibach pk...they are two fairly inexpensive mods that will make a big difference in the look and handling of the car
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Old Jun 23, 2010 | 06:46 PM
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Cool, thanks alot people! An acquaintance of mine who has heavily modded a Nissan 350z and a Trans Am recommended that I buy 370z springs on eBay from various Z owners who had taken theirs out in order to further lower their cars. He said this could be done very cheaply. Is that a good suggestion or would the Eibach springs be much better?

Also, my car is not an S... Is that going to affect anything with the bars or springs?

Last edited by Dlf4196; Jun 23, 2010 at 06:53 PM. Reason: Misread something
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Old Jun 23, 2010 | 06:58 PM
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Personally I would just go with Eibachs because they are made for the G specifically, but you could probably go either way.

The S has a tighter OEM suspension and steering ratio, so it will just result in you getting a more drastic result from things like the Hotchkis sways
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Old Jun 23, 2010 | 07:00 PM
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I would not recommend getting the Z springs as it is not meant to go into our cars. G probably weighs a lot more than the Z too so the those springs may not like the extra load.

Look into Eibach Pro-kit. It's the crowd favorite for lowering springs. Going from a non-S version, you'll notice a stiffer ride. But MUCH improved handling. The only thing that would effected would probably be the ride, you'll feel the road more but it's stiffer. Sway bar will decrease the body roll during turns to give you better control in turns. Also a very noticeable improvement.
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Old Jun 23, 2010 | 07:00 PM
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(I can't believe hispeed beat me to this response, haha).
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Old Jun 23, 2010 | 07:05 PM
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Haha that's why my names not lowspeed
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Old Jun 23, 2010 | 07:13 PM
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Okie doke, thanks again. I will definently look into that! If y'all happen to think of anything else, please do tell!
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Old Jun 23, 2010 | 08:46 PM
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Darnit, sorry to keep bothering yall with this stuff but, I was just reading a thread below talking about how new springs will ruin the stock shocks... Does that apply here?
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Old Jun 23, 2010 | 08:57 PM
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Originally Posted by Dlf4196
Darnit, sorry to keep bothering yall with this stuff but, I was just reading a thread below talking about how new springs will ruin the stock shocks... Does that apply here?
Haha don't apologize man, that's what the forum exists for!

Any aftermarket springs will put added stress on the OEM shocks, yes. However...the Eibachs are so mild that the added stress would really only be realized if you drove the car for hundreds of thousands of miles. They aren't going to wear the shocks out any faster that will make you notice
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Old Jun 24, 2010 | 02:25 PM
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Thanks haha.

Are shocks particularly expensive and if they do happen to go out at some point in the distant future would I immediately know about it?

Also would it gut the car if they were to go out?

And hopefully, last question, are there any risks associated with the sway bars?
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Old Jun 24, 2010 | 02:29 PM
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I been on Tein S techs for about 30,000 miles w no issues and they are lower then eibachs, but I'm cautious about what will happen and Aldo how would I know when shocks are bad!
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