#111257 - 02/21/09 07:06 PM
custom cold air intake
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Registered: 02/07/09
Posts: 332
Loc: mass
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im wondering if anyone has built their own cai. the box mainly. i thought of buying one but 200 bucks is alot(the wizaired). i thought it can be possible with some sheet metal, plexi glass, glue and some rubber for the edges. im gunna open the oem box sometime this week and take some measurments to see if the computer may be a problem. so is there anyone that has done one or is there somthing im missing??
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99 3.8 Firebird 5 spd/99 gp gt,zzp pcm, HAI, STB, 2.5Dp to 2.5 dynomax custom exhaust 
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#111258 - 02/21/09 07:08 PM
Re: custom cold air intake
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Registered: 01/08/07
Posts: 6026
Loc: Des Moines ,Iowa
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look at steves 20gtp02 he just made a intake he has lots of pictures
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#111259 - 02/21/09 07:26 PM
Re: custom cold air intake
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Member
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Registered: 02/07/09
Posts: 332
Loc: mass
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i saw two but thats all i could find. it looks good i wonder if home depot sells the heat matting thats on his.
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99 3.8 Firebird 5 spd/99 gp gt,zzp pcm, HAI, STB, 2.5Dp to 2.5 dynomax custom exhaust
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#111260 - 02/21/09 07:28 PM
Re: custom cold air intake
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Registered: 01/08/07
Posts: 6026
Loc: Des Moines ,Iowa
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http://www.grandprix.net/ubb/ultimatebb.php?ubb=get_topic;f=1;t=011622;p=1#000000
there ya go
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#111261 - 02/22/09 01:12 AM
Re: custom cold air intake
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Registered: 05/23/03
Posts: 8078
Loc: Austin, TX
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http://www.grandprix.net/ubb/ultimatebb.php?ubb=get_topic;f=1;t=004227;p=1#000009
_________________________
Bobby
Died 5/1/08, resurrected 5/15/08
ASCD SD hood, 17" Bullitts, Overkill PCM, 3.4" Pulley, NGK TR55IX, K&N 9" cone filter, JimmyC D/P, U-bend removed, Flowmaster 40 series, Hooker big bore tips with resonators, S/B brake lines, drilled/slot rotors, GMPP handling kit, KYB struts, F&R strut supports, HID's, LED's, 2.5" Air Dam, red GTP overlays on custom badges, white rear insert.
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#111262 - 02/22/09 07:49 PM
Re: custom cold air intake
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Member
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Registered: 02/07/09
Posts: 332
Loc: mass
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thanx yo
_________________________
99 3.8 Firebird 5 spd/99 gp gt,zzp pcm, HAI, STB, 2.5Dp to 2.5 dynomax custom exhaust
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#111263 - 02/26/09 05:50 PM
Re: custom cold air intake
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Member
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Registered: 02/07/09
Posts: 332
Loc: mass
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i built the box but where do i put the pcm??? also do i need a new snorkel tube or is the stock one good enough?
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99 3.8 Firebird 5 spd/99 gp gt,zzp pcm, HAI, STB, 2.5Dp to 2.5 dynomax custom exhaust
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#111264 - 02/26/09 05:58 PM
Re: custom cold air intake
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Registered: 04/18/05
Posts: 8901
Loc: Bradenton, FL
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Just set the PCM on top of the panel that the airbox sits on.
The stock tubing should be fine with your 1999.
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Corey Smith 
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#111265 - 02/26/09 09:54 PM
Re: custom cold air intake
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Member
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Registered: 02/07/09
Posts: 332
Loc: mass
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ok... should i secure it with some velcro or a bracket? also where do i find that shiny isullation i see on the other boxes???
_________________________
99 3.8 Firebird 5 spd/99 gp gt,zzp pcm, HAI, STB, 2.5Dp to 2.5 dynomax custom exhaust
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#111267 - 02/27/09 03:33 PM
Re: custom cold air intake
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Member
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Registered: 02/07/09
Posts: 332
Loc: mass
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damn im so pissed the box did not fit. to make things even better the computer was always inn the way!!!!!!!!!! so im gunna keep the first part of the stock box. put a piece of plexi or metal in the back to seal the computer, i will leave a hole for the intake, and srcew the piece in. the stock tube is strong enough to hold a filter?!?!?!?
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99 3.8 Firebird 5 spd/99 gp gt,zzp pcm, HAI, STB, 2.5Dp to 2.5 dynomax custom exhaust
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#111268 - 02/27/09 04:09 PM
Re: custom cold air intake
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Member
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Registered: 04/08/08
Posts: 2647
Loc: Iowa City, IA
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what are you calling a snorkle tube? AFAIK those only exist on offroad vehicles so the engines don't ingest water...
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'99 GTP, L36 bottom, XP cam, Headers, 3.29 gears, FWI, Powrtuner
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#111269 - 02/27/09 04:38 PM
Re: custom cold air intake
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Member
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Registered: 02/07/09
Posts: 332
Loc: mass
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they know what i ment
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99 3.8 Firebird 5 spd/99 gp gt,zzp pcm, HAI, STB, 2.5Dp to 2.5 dynomax custom exhaust
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#111270 - 02/27/09 05:20 PM
Re: custom cold air intake
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Member
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Registered: 04/08/08
Posts: 2647
Loc: Iowa City, IA
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lol okay, if you don't want to answer the question I can't answer yours... I'm assuming you're talking about reusing the stock air intake tube? I would recommend changing to a PVC pipe, there are writeups around. Advantage being the air coming in will be flowing smoothly versus the turbulent air from the ridged tube.
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'99 GTP, L36 bottom, XP cam, Headers, 3.29 gears, FWI, Powrtuner
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#111271 - 02/27/09 06:09 PM
Re: custom cold air intake
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Member
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Registered: 02/07/09
Posts: 332
Loc: mass
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what about the sensor?
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99 3.8 Firebird 5 spd/99 gp gt,zzp pcm, HAI, STB, 2.5Dp to 2.5 dynomax custom exhaust
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