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Discussion Starter · #1 ·
i currently have a single 3" from the turbo to a straight pipe to 4" single. Is it beneficial to go to a 5" turbo back or a 4" turbo back duel set up guidance would be great
 

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Not sure what additional mods you have but in my opinion, a 4" system would be just fine and you can find a complete turbo back system pretty cheap these days. There are plenty of threads on here about exhaust size, 4" vs. 5", benefits etc...
 

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i currently have a single 3" from the turbo to a straight pipe to 4" single. Is it beneficial to go to a 5" turbo back or a 4" turbo back duel set up guidance would be great
what year do you have?
you sure about the 3"?
'03's are 3-1/2" from the turbo
'04's up are 4" from the turbo
as said above all depends on what you have (mods) now and where you want to go.
 

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poor turbo
 

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subscribe........
 

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Discussion Starter · #7 ·
its an 03 that I have had since may. It is running, from the turbo, I assume 3.5 out of the turbo but hits a 4" at the straight pipe I just want the best gains possible. No real mods as of now just programer and araid intake.

is there a better intake that will allow the turbo to spool up quicker as well?
 
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