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 Write-Up: Flexible Tube Fenderwell Intake

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TonySmooth89
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 12:52 pm

Due to popular demand , I have created a true FWI system that does not require removal of the wheel and fender lining in order to allow your engine to suck in the cold air it loves so much , for less than 100 bucks!

Here's a few pics of the finished product-
Image hosted by servimg.com
Image hosted by servimg.com

So how much would you pay to know how to build such an intake? $100? $20? Nothing? Correct! Just for being a member of this board , you will have access to all this knowledge for free! ( other fees and charges may apply)

OK so here's what you'll need:
-2 feet of intake tubing , I used 4" , 3.5" will probably work fine , I used a 3.5" filter so effectively my intake is only 3.5", not a concern for me.

-KN 7" 3.5" 7" filter , pictured here:
Image hosted by servimg.com

You can use bigger if you want to make the hole bigger but I wouldn't go any smaller. This KN was kinda cheap too , ~ $35 bucks , near the custom intake section at advance rather than near the other KN filters.

-Self tapping screws

-A Dremel or other metal cutting device. I used a dremel with an EZ cutting kit , worked OK , probably not ideal but it worked good enough.

-Roof flashing

-Two band clamps ( one is included with the filter , the other with the intake tubing ( at least from ZZP it is)

And some free time.

First remove all of your stock intake setup , and open the hole up with the dremel or cutting device of your choice , it will be covered by the roof flashing anyway , so don't worry about aesthetics. I opened it just enough to where most of the fliter will fall through , but it is still supported by the metal on the fenderwell.

My hole ended up looking like this
-Image hosted by servimg.com
Not pretty but it works

Next cut up the roof flashing so it can fit in the fenderwell , and open it up so you can slide the intake tubing through. In my car , i had to open up the flashing as far as i could on the opening , I probably went a little too far with the material removal on the base as i probably could have retained the stock airbox mounting holes and my intake would have looked better , and not left so much exposed metal , however functionally it is just as well.
Should end up looking something like this
-Image hosted by servimg.com

Next mount your intake tubing to the throttle body , and position the roof flashing over the intake tubing a few notches higher than it will be once its finished , so you can put the filter on easier.

Image hosted by servimg.com

From there mount your filter , slide the filter into the hole in the fender and slide the roof flashing down so it can seal off the filter from the engine bay.

Use self tapping screws with washers to keep the roof flashing in place you may have to detach the intake tubing from the throttle body again , but thats no big deal , be careful since once the screws break through they will come down quick , so make sure to use washers and be careful , otherwise it will look like this-
Image hosted by servimg.com
Again still works , but just not pretty.

I still need to make a hole for my IAT sensor , but that shouldn't be too difficult. When that is done i'll adjust the write up accordingly. But otherwise start your car and enjoy the bliss of supercharger whine and added throttle response ( definitely noticeable over the WAI i was running throughout the winter , despite the slightly smaller filter.

I'm sure this could be replicated and done much better , and when i go to clean the filter i'll probably redo the roof flashing , but functionally its a good setup IMO and cosmetically it is sufficient.

Hope this helps someone out!
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deekster_caddy
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 1:43 pm

Nice writeup tony! Mine was similar, but without the flashing. I just put the stock airbox back in so I could have an IAT again. That's the hardest part, and I'm curious how you approach it. I didn't do it out of sheer laziness, although I did pick up a few other AT sensors from Grand Prixs to use in some experimental fits - the W-body uses a smaller sensor that might be easier to fit. readily available in junkyards, etc.
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TonySmooth89
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 2:02 pm

Thanks!

I figure it'll take some brainstorming to mount it in a safe , accurate and practical spot. Or i might just buy an IAT extender and drop it into fenderwell and be done with it.

.
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Karma
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 2:27 pm

Nice install, looks clean with that shroud thing. That filter is much smaller than the 9" that I got with my intense FWI kit. It *just* fit, but I had to relocate the horns(both on the same side for the 95..). For those interested in doing a FWI, even a 9" cone will fit in without taking off the tire if you are careful. Just jack the car up with the steering wheel turned all the way to the left and you can get at the fender well no problem.

I gotta say though, I might add some roof flashing to mine, cause that looks slick!

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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 3:09 pm

Am i the only one that can't see the images.????


Last edited by Rickw on Tue Mar 10, 2009 6:43 pm; edited 1 time in total
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TonySmooth89
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 5:28 pm

Karma wrote:
Nice install, looks clean with that shroud thing. That filter is much smaller than the 9" that I got with my intense FWI kit. It *just* fit, but I had to relocate the horns(both on the same side for the 95..). For those interested in doing a FWI, even a 9" cone will fit in without taking off the tire if you are careful. Just jack the car up with the steering wheel turned all the way to the left and you can get at the fender well no problem.

I gotta say though, I might add some roof flashing to mine, cause that looks slick!

Yeah i didn't feel like relocating the horns ,so i came up with this.
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deekster_caddy
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 5:33 pm

Rickw wrote:
Am i the only one that see the images.????

can't see the images? They appear fine to me.
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AA
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 5:45 pm

Nice job! I agree with Deek, no need to remove the wheel to do a FWI from the side, but you do have to partially remove the plastic fender. I chose to delete 1/2 of the horn (I don't live in NYC).

Only concern I have with all FWI designs is the fact that air is partially drawn from the engine bay. See my full thoughts in this thread: https://rivperformance.editboard.com/series-ii-engine-transmission-f4/write-up-installing-fwi-filter-heat-shield-air-scoop-t1209.htm

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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DEMonte1997
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 6:38 pm

Looks very similar to the one in my Regal. smile
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 9:55 pm

Nice job!! I love it when i see someone take the time to make something and do a write-up clap Props to you yay
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyTue Mar 10, 2009 11:26 pm

Nice write-up, great pictures. I am going to have to get one of those flashings, because my hole looks like crap too. I beat the hell out of it with a hammer to make the hole wider. It worked, and I didn't have to buy/borrow a power saw.

Excellent job! The 7" K&N is probably the idea size for a FWI for this car. The 9" is so damn big that when you start the job, you're like "No way this is going to fit in there.... what did I do".

Regarding horn location - I think people are making it more complicated than it needs to be. I simply mounted the horn on the opposite side of the original mounting bracket. So I kept both horns, freed up the space for the K&N, and it took no time at all. Let me get some pics.

Okay, I know these are kind of blurry, but I took them with my cell phone. You can click on them to make them bigger.

Here you can see the horn in it's stock location.
Write-Up: Flexible Tube Fenderwell Intake Th_Horn1

Here is the horn, relocated. It's in virtually the same spot. All I had to do was take out that little hex screw right there, take the horn off, and rebolt it on the other side of the horn bracket, more towards the front of the car. Very simple.
Write-Up: Flexible Tube Fenderwell Intake Th_Horn2

Here is a picture of the 9" K&N in there. Thing takes up all the room.
Write-Up: Flexible Tube Fenderwell Intake Th_Intake7
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 13, 2009 5:25 pm

Question.???
What Is the flashing made of, tin/sheet metal or rubber or ......
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TonySmooth89
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 13, 2009 5:29 pm

Rickw wrote:
Question.???
What Is the flashing made of, tin/sheet metal or rubber or ......

Its a rubbery plastic material. Its in the building supply section at home depot.
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TonySmooth89
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 13, 2009 10:37 pm

Link to picture of 4" roof flashing


Thats about what you need rick. Sorry the pics won't work for you. Not sure whats up with that.
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 13, 2009 11:23 pm

Thanks Tony,
I'll be doing this mod when i install the GenV and all the other parts I've accumulated.
Hopefully soon, the weather starting to get better up here. Spring is around the corner.
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TonySmooth89
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 13, 2009 11:47 pm

No problem. If you shoot me your email in a PM i'll forward the pics to you in an email if you'd like.
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 13, 2009 11:59 pm

My email address is: irrickw@comcast.net
Thanks again,
Rick
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptySat Mar 14, 2009 12:28 am

Pics sent!
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptySun Mar 15, 2009 2:22 pm

great write up tony!!

i should be doing this real sooon smile
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 27, 2009 12:28 pm

I have got everything done, just need to do the flashing part of it then I'm gonna post up some pictures to show how easy this is! and ftw use the intake tubing from zzp, its cheaper than intense's and super high quality imo.


Last edited by 97rivsc on Fri Mar 27, 2009 1:54 pm; edited 1 time in total
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 27, 2009 12:36 pm

Glad this helped you out!


AA , could you add this to the write up index?
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 27, 2009 1:09 pm

doing this sat but i got the k&n 9inch filter with the 4 inch outlet. just gotta find the roof flashing.
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 27, 2009 1:30 pm

here are the pix of my install, also on my showroom page ftw,

Write-Up: Flexible Tube Fenderwell Intake Mikesfwi001
tubing from zzp

Write-Up: Flexible Tube Fenderwell Intake Mikesfwi002
roof flashing from ace hardware, I used the 3" and cut it to size

Write-Up: Flexible Tube Fenderwell Intake Mikesfwi006
this is where my IAT sensor is currently sitting until find a better place to put it frown
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AA
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 27, 2009 1:57 pm

Mike, I see nothing wrong with that IAT placement. Have you scanned to see how accurate it reads?

_________________
'05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26

'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes

'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch

^^^ SOLD ^^^ frown

'70 Ninety-Eight Holiday Coupe 455cid • 116k miles
^^^ SOLD ^^^ frown
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97rivsc
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Write-Up: Flexible Tube Fenderwell Intake Empty
PostSubject: Re: Write-Up: Flexible Tube Fenderwell Intake   Write-Up: Flexible Tube Fenderwell Intake EmptyFri Mar 27, 2009 1:59 pm

lol have I scanned......wish I had a scanner.....and cash......being poor while in college really sux frown

well until I get my settlement figured out

But anyway I want to get the extension for it and drop it into the fender well, either that or cut a hole in the flashing and stick it in there O and btw, awesome job tony and thanks for the info too!
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