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LS1 to TPI air box

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Old 02-23-2016, 06:00 AM
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LS1 to TPI air box

What kind of coupler are you guys using to connect the LS1 throttle body to the mass air and then to the TPI air box? My motor is relatively level so it has somewhat of a sharp angle to the air box... Would like to keep it factory looking if possible, instead of building an actual cold air intake.
Old 02-24-2016, 07:52 AM
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Re: LS1 to TPI air box

I second that question.
Old 02-24-2016, 12:01 PM
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Re: LS1 to TPI air box

I used a 1995 Corvette throttle body bellows that has the IAT in it along with a short pc of custom made tubing to make up the length..the MAF could fit here.

The TPI airbox has the oulet cut back at a slight angle to help line things up.

Old 02-24-2016, 12:23 PM
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Re: LS1 to TPI air box

Originally Posted by 6speedIROC
I used a 1995 Corvette throttle body bellows that has the IAT in it along with a short pc of custom made tubing to make up the length..the MAF could fit here.

The TPI airbox has the oulet cut back at a slight angle to help line things up.

Fantastic, exactly what I was looking for... Thanks for shooting me in the right direction!
Old 02-24-2016, 05:31 PM
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Re: LS1 to TPI air box

Do you happen to have a part number for the bellow with the IAT sensor? I am having a hard time finding one.

Thanks!
Old 02-24-2016, 10:01 PM
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Re: LS1 to TPI air box

I can't find it..
Old 04-27-2016, 12:03 PM
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Re: LS1 to TPI air box

Originally Posted by utfan01ss
What kind of coupler are you guys using to connect the LS1 throttle body to the mass air and then to the TPI air box? My motor is relatively level so it has somewhat of a sharp angle to the air box... Would like to keep it factory looking if possible, instead of building an actual cold air intake.
UTFAN01SS, what did you end up using to make that connection from the MAF to the original intake? I noticed 6SPEEDIROC's set up different. I don't see the MAF on his.

Can you post a picture of what you ended up with? Thank you
Old 04-27-2016, 12:12 PM
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Re: LS1 to TPI air box


Originally Posted by M3638
UTFAN01SS, what did you end up using to make that connection from the MAF to the original intake? I noticed 6SPEEDIROC's set up different. I don't see the MAF on his.

Can you post a picture of what you ended up with? Thank you

I went to Lowes and bought a 3" pipe coupler and trimmed it at an angle to fit the air box. Used the stock LS1 bellow between the throttle body and MAF. Fits great and looks good too. This coupler came with two clamps also... <br/><br/>Its rubber and black so it doesn't stand out. Cheap and easy fix till I figure out something better.
Old 04-28-2016, 07:36 PM
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Re: LS1 to TPI air box

Thank you, I did the same thing for now.
Attached Thumbnails LS1 to TPI air box-image.jpeg  
Old 04-30-2016, 08:38 PM
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Re: LS1 to TPI air box

I used that intake set up for a month and it choked the flow. http://www.siliconeintakes.com/diy-c...n_shipper.html

Go here and piece together a better one.
Old 11-24-2018, 03:40 PM
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Re: LS1 to TPI air box

Originally Posted by RockJay81
I used that intake set up for a month and it choked the flow. http://www.siliconeintakes.com/diy-c...n_shipper.html

Go here and piece together a better one.
I was thinking about this as well until I read your comment. Did this choke the flow on a stock ls1 or what kind of motor are you running?
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