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Discussion Starter · #1 · (Edited)
so after making my CAI with mandrel pipes, i feel confident enough with my welding to make a Ypipe.

CAI thread can be viewed here

http://www.toyotanation.com/forum/t47141.html


look at this piece, the flattened area's cross section cant be any greater than 3.14^2 inches from what i can see,
we will all find out when i cut it


made this y colector today

2 x 2 inch in
2.5 inch out


havent cut anything yet,
 

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Turbo-Yota power
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1,773 Posts
I have one in the works right now in 2 sizes 2.5inch and 3inch with test pipe or cat.BTW be carefull how low that sucker hangs because I already lost my test unit when I hit a pot hole lol ..War zone here im telling you.
 

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Discussion Starter · #7 ·
update

update


here is sections of the old ypipe cut up



^ that is the flattened section, you can see that the spot where i cut it has a diameter of 2 inchs, so i would predict that the narrowest part (4 inches above the cut) is about 1.75 inches in diameter.:thumbdown


^ This is the collector section... its got wierd flutes in it.


now the good stuff


^ most of the joints are only tacked on, will finish up probably tm after work.



Straight through FLOWWWWWW :lol:
 

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engineer in training
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1,586 Posts
how did you learn to weld? i am very interested in learning!
 

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Nice work man. Let us know how much you gain! I am going to perform this mod also (not myself, custom from a shop with a mandrel bender) along with some custom headers. Pretty soon here Im gonna p&p everything and rebuild with an import performance kit aswell as bigger injecters/fuel pump/msd ignition etc etc the works. A turbo setup is certainly in my future but I wanna see what kind of gains I get first from everything else first. Keep up the good work.
 

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engineer in training
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i gotta try this, should i start with mig or tig? i think i remember a friend saying tig was easiest to start with but mig makes a better weld or something
 
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