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Old Jun 1, 2009 | 04:20 PM
  #1  
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Default Bfi

How much better mpg do you get with a bfi?
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Old Jun 1, 2009 | 04:32 PM
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I will let you know as I just filled up with a tank of gas and recently did the BFI. Prior to the BFI, I was getting 20 mpg with 90% Freeway Driving.
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Old Jun 1, 2009 | 04:56 PM
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Alright thanks a lot did you make the bfi yourself?
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Old Jun 1, 2009 | 06:46 PM
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I did mine and used several links to get my own ideas. Try http://planetsoarer.com/BFI3/bfi3.htm and http://www.lextreme.com/BFI.htm.. You can use whatever you like, just be creative. I used all aluminum for the plates, and the cover.
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Old Jun 2, 2009 | 11:39 AM
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Yes. Its fairly simple. The only time consuming part was crating the top cover heatshield template. I too used an aluminum sheet bought from Lowe's. I now have a template for specifically for the SC300 for those are interested or are lazy to make themselves
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Old Jun 4, 2009 | 10:54 AM
  #6  
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I am planning on building one of these ASAP but wont have time to do it right for a few weeks. However, I was thinking of doing something to get me by for a few weeks and wanted to know if it would do anything at ALL.

I was thinking of either doing just this

and leaving it as is for a couple weeks, this would result in similar effects to the K&N kist that bolt right onto the MAF I assume.

Or my other thought was basically doing the above but then running some hosing (which I have from a home project) from those 3 holes down inside the front fairing to get more air.

In your collective opinions would either be worth the effort or should I just leave it alone till I can do the whole job the right way?
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Old Jun 19, 2009 | 12:57 PM
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Sorry for newbie question but what does BFI stand for? Is it some sort of CAI?
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Old Jun 19, 2009 | 01:23 PM
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Big Frigin Intake LoL
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Old Jun 19, 2009 | 02:00 PM
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Ok lol. Feel noticeable gain?.
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Old Jun 19, 2009 | 02:10 PM
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Yep and better sound. It works better with an aftermarket exhaust.
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Old Jun 19, 2009 | 05:04 PM
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Originally Posted by YeA 2jZ
Big Frigin Intake LoL
ur wrong noob lol big F###### INTAKE LOL
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Old Jun 19, 2009 | 05:31 PM
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Just put the lid on top, Shield on the side, Cut out the front of the box and thats it. You will notice an definite increase in intake noise (a good one) and a slight decrease in fuel consumption (depends on how you drive)
Attached Thumbnails Bfi-5478.jpg   Bfi-sideplate.jpg   Bfi-5461_52.jpg  
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Old Jun 19, 2009 | 05:50 PM
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Forgive the noob question, but is this useful for a stock VVT-i 2JZ-GE?
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Old Jun 22, 2009 | 06:22 AM
  #14  
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Bump (sorry!). Anyone have an answer to my question?
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Old Jun 22, 2009 | 07:10 AM
  #15  
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it useful on any car

It makes the engine "breathe" better

I have it on my stock 94 SC4 - I really don't know how much difference there is in HP or power, because I did all three things together - The car is def. super powerful now, and the gas mileage is BAD!

160 miles --> 15 gallons (FAIL!)
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