Trying to weld up a y style merge pipe

[phule]

I'm trying to figure out how to make a y merge style pipe. Dual 2.5" into 3" outlet. The 2.5 have to be 5.25 center to center. I could buy a premade one but I don't like the way they look. They don't appear to flow well.

Example: seems like it would create turbulence..

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Am I over thinking this?

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[DRAGGIN95]

Look up a flowmaster y they flow very well.

 

[DRAGGIN95]

Like this http://www.jegs.com/i/Flowmaster/389/Y250300/10002/-1

 

[phule]

That does look better how would I mate that up to a set of pipes that run parallel? They look like they come out angle away from each other

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[DRAGGIN95]

I have one of these myself, and my pipes run parallel also, I just run them close together until the Y.

 

[rebelchevy94]

to make a y u weld up two 2 1/2 turndowns and flare out a 3" peace of pipe place the conjoined turndowns inside of the flared 3' mark where they meet at then cut the turndowns where u marked then re insert them and mig weld up its eazy!