5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

Homemade intake

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Old Jul 1, 2009 | 02:53 AM
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Homemade intake

Waist of time? I was searching and couldnt find much.. anyone here have it on their car..
Old Jul 1, 2009 | 03:23 AM
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are you referring to the GAB?
Old Jul 1, 2009 | 05:10 AM
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i actually found this homemade CAI. i just lost the link tho. UGH
Old Jul 1, 2009 | 05:15 AM
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Just found it! http://www.autopia.org/forum/exterio...take-11-a.html
Old Jul 1, 2009 | 06:17 AM
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I love my non-commercial intake.
Old Jul 1, 2009 | 07:24 AM
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Originally Posted by Mu_036sp
Seriously, you're going to do this hack?

You're wife's going to kill you if you part-out her clothes dryer.
Old Jul 1, 2009 | 08:02 AM
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all i have is a MAF adapter and filter cost me like $30 works and sounds great!
Old Jul 1, 2009 | 09:38 AM
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Why not just save up for an aftermarket intake? ?
No worries, no problems, a manufacturers warranty, and even better performance gains?? Also it'll spice up your engine bay a little
Old Jul 1, 2009 | 11:37 AM
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Originally Posted by xWasX08
Why not just save up for an aftermarket intake? ?
No worries, no problems, a manufacturers warranty, and even better performance gains?? Also it'll spice up your engine bay a little
Werd to ya *****!
Old Jul 1, 2009 | 11:56 AM
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Originally Posted by xWasX08
a manufacturers warranty,
Never thought of that .. offhand, do you know which ones have warranties?
Old Jul 1, 2009 | 12:22 PM
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^^The only person worth discussing this with..... Otherwise just get an aftermarket one.
Old Jul 1, 2009 | 12:27 PM
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Modify items in between the stock airbox and stock muffler. Those are where the best & most noticeable gains can be had.
Old Jul 1, 2009 | 12:33 PM
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Besides, cold air is primarily on the launch. Once you start moving, it's all the same.
Old Jul 1, 2009 | 12:54 PM
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Originally Posted by NmexMAX
Modify items in between the stock airbox and stock muffler. Those are where the best & most noticeable gains can be had.
<--Thats easier said than done, theres this big BLOCK in the way
Old Jul 1, 2009 | 01:12 PM
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Originally Posted by NmexMAX
Never thought of that .. offhand, do you know which ones have warranties?
Offhand, No, but I do know that whenever I am searching for an intake, or other performance part, I always check the warranty, if any. To be honest, that heavily influences me. Takes out all the out-of-pocket repair worries and lets me sleep good at night

But seriously... every company that makes intakes/car parts should state whether or not their product carries a FULL warranty. Sometimes its a LIFETIME in which case its a win win. I know Injen intakes have warranties, not sure about others. Hope that helped
Old Jul 1, 2009 | 01:52 PM
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i ordered the 4th gen short ram from off EBAY and its working fine for me
Old Jul 1, 2009 | 01:58 PM
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Originally Posted by xWasX08
Offhand, No, but I do know that whenever I am searching for an intake, or other performance part, I always check the warranty, if any. To be honest, that heavily influences me. Takes out all the out-of-pocket repair worries and lets me sleep good at night

But seriously... every company that makes intakes/car parts should state whether or not their product carries a FULL warranty. Sometimes its a LIFETIME in which case its a win win. I know Injen intakes have warranties, not sure about others. Hope that helped
wow full warranty on an intake though you must be sucking in half of earths oxygen to break an intake (lil too much thought into an intake dont you think)
Injunk intake is almost $300
homemade is about $50, if i was to break a homemade intake i can buy 5 more and still make out less than injen, i understand warranties are good to have but it really doesnt make sense for everything... thats like going to buy a baby bottle and you'd rather pay $300 for a baby bottle with warranty, how hard does a baby suck on a bottle to break it lol
Old Jul 1, 2009 | 05:04 PM
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lol. i was just thinking about it.. my buddy just made a homemade one on his integra.. it worked out well..
Old Jul 1, 2009 | 06:01 PM
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Dont know if its me, but id rather not opt out to save money when it comes to my car. Im not saying I wouldnt buy an intake because it dosen't come with a warranty, Im saying, it is just a major plus. Not to much thought, more of a habit to make sure Im getting a good deal and not ripped off. Injen isnt the only company that makes intakes, nor is it the only one for our cars, which im sure your aware of.

Id Rather spend 300$ on an intake with warranty, then fixing a half a$$ built homemade intake, that has the potential to break and fail much more easier. With all the money you spend building it 4 or 5 times you could buy a much more reliable intake with more powerful gains. I just dont like putting cheap things on my car.

Thats like going to buy a baby bottle and getting the cheapest one and having it break, and buy buying it again and again and again
Old Jul 1, 2009 | 06:18 PM
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stock FTW!
Old Jul 2, 2009 | 06:37 AM
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yea I agree homemade intakes may be cheapER than aftermarket...but unless you have dyno proven results I think you are going to get laughed at for popping your hood to either 1) a hacked up OEM airbox or 2) a combination of dryer parts and hoses LOL
Old Jul 5, 2009 | 05:29 PM
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If you use custom 3 inch piping, what do you do with the breather hose? just let it hang there?

(vq-30 DE-k)
Old Jul 5, 2009 | 05:42 PM
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Originally Posted by M1RAG3
yea I agree homemade intakes may be cheapER than aftermarket...but unless you have dyno proven results I think you are going to get laughed at for popping your hood to either 1) a hacked up OEM airbox or 2) a combination of dryer parts and hoses LOL
seriously??? dyno proven numbers??? all short ram/ cold air intake will dyno just about the same number regardless of a brand sticker on it... if you want one just for show purpose then by all means spend a mill on it... And for dyno numbers, check with Jaypee who has a homemade intake, check with Datdude20 who has a homemade intake, check with vqmonster who has a homemade intake, or better yet, 1sexyleo who possible has the fastest NA auto 5.5 (13.6 and 245whp) also with a homemade intake...

edit for corrected numbers

Last edited by Grand_hustle17; Jul 5, 2009 at 05:56 PM.
Old Jul 5, 2009 | 05:49 PM
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GAB ftw!
Old Jul 5, 2009 | 06:07 PM
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So breather hose?..
Old Jul 5, 2009 | 06:20 PM
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Originally Posted by BigOgre
So breather hose?..
yes run the hose from the intake to the motor, the small filter drops MPG tremendously, mines went from 23-14 so i quickly put it back lls
Old Jul 5, 2009 | 06:23 PM
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damn so that means i cant use my own piping for a homemade CAI?
Old Jul 5, 2009 | 06:25 PM
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Originally Posted by BigOgre
damn so that means i cant use my own piping for a homemade CAI?
why not??? you should be able to get a pipe with a small exit pipe on it

Last edited by Grand_hustle17; Jul 5, 2009 at 06:28 PM.
Old Jul 5, 2009 | 06:35 PM
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That never crossed my mind.. lol
but iirc there are 2 hoses coming out of the motor
Old Jul 5, 2009 | 07:03 PM
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i've done the GAB on my 02 and its sounds great
Old Jul 5, 2009 | 07:32 PM
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Originally Posted by BigOgre
That never crossed my mind.. lol
but iirc there are 2 hoses coming out of the motor
yea you only need one
Old Jul 6, 2009 | 10:36 AM
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Originally Posted by Grand_hustle17
seriously??? dyno proven numbers??? all short ram/ cold air intake will dyno just about the same number regardless of a brand sticker on it...
I dont agree...I think it depends on the engine and the type of OEM airbox that the vehicle uses. You get modified airbox on a 55 or 63 AMG series benz and they are making dyno proven 15+ rwhp....there are also dyno sheets to support stillen's claim that their extra long tube intake for the G37 makes 18 rwhp...the K&N SR system for the Lexus ISF is making 15 rwhp as supported by dyno sheets on clublexus.

I think for OUR cars (the 3.0 motor) the gains from aftermarket intakes are very minimal, if any at all...maybe 1-3hp...maybe even a power loss at certain rpms, however, I cant substantiate this.

Originally Posted by Grand_hustle17
if you want one just for show purpose then by all means spend a mill on it...
Come on aftermarket intakes for the maxima are not expensive at all. You can get an Injen polished CAI on ebay for 280-300 and that intake is IMO one of the best looking for "show" purposes.

Originally Posted by Grand_hustle17
... And for dyno numbers, check with Jaypee who has a homemade intake, check with Datdude20 who has a homemade intake, check with vqmonster who has a homemade intake, or better yet, 1sexyleo who possible has the fastest NA auto 5.5 (13.6 and 245whp) also with a homemade intake....
In my post I meant unless the OP could provide dyno numbers of HIS SPECIFIC "homemade" intake set-up there would be no point of HIM hacking up his airbox. I was not making a blanket statement to assert that ALL "homemade" or "custom" air intakes cannot provide power gains.

I am not going to CHECK with anyone about the custom airbox issue b/c I already have a BERK and I have no intention of hacking the ish out of anything under my hood. I am sure most of the guys you mentioned in your post have (I would hope) done a clean job under there but 99% of the "custom" airbox jobs I have seen are laughable to say the least...
Old Jul 6, 2009 | 02:14 PM
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Originally Posted by M1RAG3
I dont agree...I think it depends on the engine and the type of OEM airbox that the vehicle uses. You get modified airbox on a 55 or 63 AMG series benz and they are making dyno proven 15+ rwhp....there are also dyno sheets to support stillen's claim that their extra long tube intake for the G37 makes 18 rwhp...the K&N SR system for the Lexus ISF is making 15 rwhp as supported by dyno sheets on clublexus.

I think for OUR cars (the 3.0 motor) the gains from aftermarket intakes are very minimal, if any at all...maybe 1-3hp...maybe even a power loss at certain rpms, however, I cant substantiate this.



Come on aftermarket intakes for the maxima are not expensive at all. You can get an Injen polished CAI on ebay for 280-300 and that intake is IMO one of the best looking for "show" purposes.



In my post I meant unless the OP could provide dyno numbers of HIS SPECIFIC "homemade" intake set-up there would be no point of HIM hacking up his airbox. I was not making a blanket statement to assert that ALL "homemade" or "custom" air intakes cannot provide power gains.

I am not going to CHECK with anyone about the custom airbox issue b/c I already have a BERK and I have no intention of hacking the ish out of anything under my hood. I am sure most of the guys you mentioned in your post have (I would hope) done a clean job under there but 99% of the "custom" airbox jobs I have seen are laughable to say the least...

yes intake gains will vary depending on engine, thanks for the lesson because i really didnt kno that (). i was referring to a VQ35DE, IMO $300 for an intake is extremely expensive for the HP gains... why not just add an extra $100 and get headers (way more HP gains) if you can pay $50 for 5-7whp i dont see why pay $300 for the same 5-7whp... just think for a minute dude, its a damn pipe with a filter on the end (nothing in the pipng to give better air or boost hp... just a dang pipe)
Old Jul 6, 2009 | 02:22 PM
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Originally Posted by M1RAG3
In my post I meant unless the OP could provide dyno numbers of HIS SPECIFIC "homemade" intake set-up there would be no point of HIM hacking up his airbox. I was not making a blanket statement to assert that ALL "homemade" or "custom" air intakes cannot provide power gains.

I am not going to CHECK with anyone about the custom airbox issue b/c I already have a BERK and I have no intention of hacking the ish out of anything under my hood. I am sure most of the guys you mentioned in your post have (I would hope) done a clean job under there but 99% of the "custom" airbox jobs I have seen are laughable to say the least...
i have an ebay intake that was for a 95-99 maxima on my 5.5 and its working fine, must be making enough power to be beatn a couple of these modded 6speeds (Maxus 09)...
Old Jul 6, 2009 | 11:14 PM
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Can you PM me a pic of your CAI?
Old Jul 7, 2009 | 01:42 AM
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This my my "homemade intake" I have made about 20 of these for the local maxima club, the one on my car is actually 6061 aluminum, but these are e-coated metal



installed

Last edited by knight_yyz; Jul 7, 2009 at 01:45 AM.
Old Jul 7, 2009 | 06:34 AM
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Originally Posted by Grand_hustle17
yes intake gains will vary depending on engine, thanks for the lesson because i really didnt kno that ()
I have no doubt that you already knew that (you have like a million posts clearly you are not a noob)...just I'm sure a lot of other people were not aware of the power gains that other makes of cars were experiencing with aftermarket intakes.

Originally Posted by Grand_hustle17
i was referring to a VQ35DE, IMO $300 for an intake is extremely expensive for the HP gains... why not just add an extra $100 and get headers (way more HP gains) if you can pay $50 for 5-7whp i dont see why pay $300 for the same 5-7whp... just think for a minute dude, its a damn pipe with a filter on the end (nothing in the pipng to give better air or boost hp... just a dang pipe)
Yes I agree headers will add more power than an intake....but I think (and correct me if I'm wrong) the install cost of the headers is almost going to equal the price of the product (around $300 to install?) -which personally stopped me from buying them as of yet. Myself and many people can install their intakes themselves costing a grand total of $0 + the cost of beer lol.

Knight_YYZ: I believe I read somewhere that you are a machinist (is this right?) which explains the apparently perfect fit and finish and excellent build quality of your product. Like I have to say those intakes look great and I'm sure they are going for way less than the "aftermarket" branded ones....thats a nice piece of DIY there
Old Jul 7, 2009 | 12:59 PM
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Old Jul 7, 2009 | 04:45 PM
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Originally Posted by knight_yyz


This my my "homemade intake" I have made about 20 of these for the local maxima club, the one on my car is actually 6061 aluminum, but these are e-coated metal



installed
beautiful... just beautiful... was it a must or just a personal choice to use the rubber tube at the TB??? and did you make that yourself or did you weld that???
Old Jul 7, 2009 | 04:56 PM
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Originally Posted by M1RAG3
I have no doubt that you already knew that (you have like a million posts clearly you are not a noob)...just I'm sure a lot of other people were not aware of the power gains that other makes of cars were experiencing with aftermarket intakes.



Yes I agree headers will add more power than an intake....but I think (and correct me if I'm wrong) the install cost of the headers is almost going to equal the price of the product (around $300 to install?) -which personally stopped me from buying them as of yet. Myself and many people can install their intakes themselves costing a grand total of $0 + the cost of beer lol.

Knight_YYZ: I believe I read somewhere that you are a machinist (is this right?) which explains the apparently perfect fit and finish and excellent build quality of your product. Like I have to say those intakes look great and I'm sure they are going for way less than the "aftermarket" branded ones....thats a nice piece of DIY there

i agree.. like i said, my buddy is an intake freak and loves brand intake, which is fine, get one if you like it for the looks of it... its like me i love suspension and exhaust and wouldn't mind wasting money to try all of them (e.g. i've tried cut springs, k-sport coilovers, eibach... im in the process of doing HP design springs, and then in a couple of weeks the NEX coilovers then i may try Boss Chen) or for exhaust sake ( i bought a 5th gen just because i liked the look of the EVO 2 on it... loved the 5th and now with a 5.5 and is doing Ebay tip with a custom and resonator, then ill be in the process of trying rattman, megan or frankencar axleback) waste of money yes but i love messing with those stuff not for performance purposes... but to the OP if you want a brand intake sure go for it, just lettn him kno that there is no performance difference... /Thread

Last edited by Grand_hustle17; Jul 7, 2009 at 04:59 PM.



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