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how big is the AFM opening?

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Old 03-28-03, 12:12 PM
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how big is the AFM opening?

Sorry my car isn't here right now. But I was wondering what size the opening is where the TID connects to the AFM. Just trying to figure out what size silicone hose to get. Thanks.
Old 03-28-03, 12:24 PM
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I think it's about 2.75 inches or so.
Old 03-28-03, 12:39 PM
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Hmm..so I need 3" hose then huh?
Old 03-28-03, 01:03 PM
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3" on the outside so you need 3" silicon (which is 3" on the inside)

(S5 anyways)
Old 03-28-03, 01:06 PM
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it took some stretching to get my 3" silicon coupler type thing over my AFM. but it looks fine and dandy now
Old 03-28-03, 02:28 PM
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****. Damn. Uh, I need to make an intake just to get my car home. I think I may only have a 2.5" hose for it. Damnit.
Old 03-28-03, 04:03 PM
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It's 3".
Old 03-28-03, 07:14 PM
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I had a hell of a time making a TID. My turbo opening is like 2.75" and the AFM is 3" ID not OD. Still didn't get the TID on the turbo good enough so I don't get enough boost. Gotta wait for light though.
Old 03-29-03, 12:55 AM
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I'm using a 3" to 2.75" reducer and a 3" silicon coupler on my TID

I had to fiddle with it quite a bit to get it over the AFM (very tight) on a side note it's a BNR stg 3. I think on a stock turbo you'd need a 3" to 2.5" reducer.

hope that helps.

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