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T4 Turbo inlet pipe size

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Old Apr 6, 2011 | 09:48 AM
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Default T4 Turbo inlet pipe size

Okay, I am starting to fab my hot side from stock manifolds to a T4 turbo flange. I would like to merge the 2 pipes before the turbo (for packaging reasons) and run a single pipe from the merge about 1 foot to the turbo flange, is it okay to do it this way?

Also, what size should the pipe be? Measuring the circumference of the t4 inlet hole would equal about a 2.5" od exhaust pipe, will 2.5 be sufficient?

Thanks for any help.
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Old Apr 6, 2011 | 09:58 AM
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Will work awesome, use a nice merge from cone engineering.
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Old Apr 6, 2011 | 11:29 AM
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Originally Posted by Phil99vette
Will work awesome, use a nice merge from cone engineering.
+1 great products!
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Old Apr 6, 2011 | 11:39 AM
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I had planned to build something similar to this.http://www.hotrod.com/techarticles/e.../photo_11.html

Then just slip my 2.5 pipe over the end, mark it, and cut off enough to butt weld it.

Last edited by Bowtie316; Apr 6, 2011 at 04:08 PM.
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Old Apr 6, 2011 | 12:48 PM
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That will certainly work just more labor.
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Old Apr 7, 2011 | 07:09 AM
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Thanks for the help, this is an awesome forum.
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