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5.3 guys, show me your CAI's

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Old 04-02-2007, 07:58 PM
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Default 5.3 guys, show me your CAI's

I have a friend with a 2003 GMC Sierra w/5.3, and he's wanting me to build him a CAI. After looking at the motor, it seems that right as the intake tubing comes out of the throttle body, it needs to flatten out to pass over the idler pulley. then, after it makes its 90* bend towards the filter box, it needs to clear the coolant hose.

I'm just needing to see some completed systems to see if I can even build him one using parts that I have readily available to me.

Thanks for any help.
Old 04-02-2007, 08:01 PM
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aftermarket or a homemade one?
Old 04-02-2007, 08:19 PM
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here is my AEM brute force......pretty basic design.....
Old 04-02-2007, 08:43 PM
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homemade or aftermarket, it really doesn't matter, I just need some ideas. Is it 4" out of the throttle body, or 3.5"
Old 04-02-2007, 08:49 PM
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here's one I built for a few TBSS's. Disregard the scratches on the intake tubing, it was a prototype set-up.



Old 04-02-2007, 08:51 PM
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Old 04-02-2007, 08:55 PM
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hey Ryan, is that 3.5" or 4"?
Old 04-02-2007, 09:00 PM
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Originally Posted by UnbelievabLS1
hey Ryan, is that 3.5" or 4"?
3.5 inch
Old 04-02-2007, 09:12 PM
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how's the clearance at the idler pulley? It looks like whatever coupling I use will hit the pulley.
Old 04-02-2007, 09:19 PM
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My AEM Dry flow intake


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