Pictures of my Air Box Project!!!!!! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-31-2003, 10:57 AM   #1
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Default Pictures of my Air Box Project!!!!!!

Heres some pictures of my recent Air box project. I replaced the stock pipe with a 3 to 4 inch rubber and pvc pipe combo. As you can see the stock pipe was very narrow at the end, so narrow in fact that I could put it in my new pipe. This did dramatically improve air flow without having to buy a pricy kit.


More more info, please see the post I wrote when I did this project:
http://www.bonnevilleclub.com/forum/...asc&highlight=
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Old 10-31-2003, 11:01 AM   #2
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The opening is actually about 4 inches. That is a 4 inch PVC Pipe. I have to buy some more black paint and paint it so it looks right.
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Old 10-31-2003, 12:11 PM   #3
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is that like a pipe that goes in the Factory air box?
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Old 10-31-2003, 01:34 PM   #4
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Yeah, the little pipe you see in the pictures is the factory one that ran from the box to the back of the headlight. I just took that off and put my new pipe on it. The stock pipe couldn't have been any bigger than 2 inches at the end. with the new pipe its close to 4 inches, which really increased the air flow. I can't believe GM put a pipe that narrows that much in these cars. It really reduces air flow. I would highly recommend doing something like I did to anyone still using the 1994 or earlier style box. All its costs is 7 bucks in parts from your local home depot and is simple to do and really increases air flow. What I did is bought a 3" to 4" rubber connector and a small 4" peice of PVC.. I had to shave off some of the 3" side to fit my box. Then I put the 4" PVC in the 4" side. I just got dont painting it black so it look pretty custom. Really simple thing you can do to increase your flow.
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Old 10-31-2003, 01:47 PM   #5
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i'll see if i can find my pics of my FWI, best air flow IMO.
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Old 10-31-2003, 01:48 PM   #6
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Im trying to think of a different way of getting more air flow than what we have already. Might switch out the airbox & try something else. All depends on how much room we have.
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Old 10-31-2003, 01:53 PM   #7
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I dont know how the 98s are. I know for the 94s what I did really increased power and air flow. I am pleased. Cheap project.
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Old 10-31-2003, 01:57 PM   #8
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i have a blue light on the inside
it'* a Fender Well intake. inside the thrasher CAI case.
FWI > Thrasher CAI
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Old 10-31-2003, 02:30 PM   #9
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Quote:
Originally Posted by h1081dan
I dont know how the 98s are. I know for the 94s what I did really increased power and air flow. I am pleased. Cheap project.
My 98 was really easy, since the airbox goes all the way up to the light. Pull the resonators, open the front end, and Vroom!
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Old 11-01-2003, 01:56 PM   #10
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I am not still wanting more flow without paying my life savings, so I am planning another project for when I get some extra $$. I want to buy a 3" peice of exhaust pipe that is alread bend, cut it to size, and get a big K&N cone filter for it. Until then this setup is working quite fine.
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