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Old 06-14-2007, 04:33 PM   #1
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Default Sources for FWI & CAI parts

I know many people with CAI and FWI setups use a silicone coupler at the throttle body. Where do you find these for purchase? I need an upgrade from my clunky black rubber coupler.

Also, the Intense FWI uses some kind of sleeve that fits inside the flexible intake tube for the purpose of clamping the tube to the air filter and to the coupler at the TB. What kind of sleeve is used, and is there anything readily available from a hardware store that could serve the same purpose?

Working on some ideas here for a cheaper FWI or CAI setup. All help is appreciated!
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Old 06-14-2007, 09:08 PM   #2
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found mine at the hardware store in the plumbing section just be sure which size you need. a 4 inches was just perfect for my 3.75 inches L36 throttle body

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Old 06-14-2007, 09:35 PM   #3
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I appreciate the info, Firebuick... however, the kind of coupler you're using is the kind I'm trying to get rid of! I'm looking for the smooth silicone couplers I've seen on other CAI setups. Somebody has to know where they're available.
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Old 06-14-2007, 09:35 PM   #4
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the 4 inch was a bit too loose fitting for my liking. I have a 1998 bonnie se L36. what I decided to do was use the 3 inch pipe coupling and bevel the inside of it with a razor blade, then used a small amount spit to help slide it on to the TB. put a clamp on it and it looks and works fine. cost me $8.49 at Lowes. a side note about the 4 inch... I tried it but it left a small lip on the inside of the coupling where it mates to the TB. by beveling the 3 inch, it almost eliminates any flow disturbances from the coupling. Also, from reading a few posts in here, 3-3.5" is best for the L36 as far as air volume and velocity. Larger diameter tubing slows down the incoming air and may result in less acurate MAF sensor readings. I think it causes your engine to run a little rich but can't remember.
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Old 06-14-2007, 09:57 PM   #5
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Old 06-14-2007, 10:19 PM   #6
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Quote:
Originally Posted by dbeast420
www.siliconeintakes.com
You, sir, are the man
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Old 06-15-2007, 01:47 AM   #7
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I got mine off Ebay, price wasnt too bad either, and its definetely silicone. I cant remember exactly what the name of the vendor was though.
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Old 06-15-2007, 02:09 AM   #8
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ricerzone...i mean autozone.
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Old 06-15-2007, 02:12 AM   #9
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I'm still rockin NO coupler with the Intense tubing on both my TB'* with no issue for the past year.
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Old 06-15-2007, 04:03 AM   #10
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zzp has one but it is 11 dollars
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