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06 Lincoln Zephyr
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81 Posts
Discussion Starter #1
I am only pushing 7psi and I have a 2" downpipe right now.
Would it make a big diffrence if I switched to a 3" downpipe? And if so would it be noticeable diffrence?
 

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difference? yes.

felt? depends on the turbo

PSI doesnt mean a goddamn thing with a turbo

CFM is actual air flow, adn that is your performance measure
your turbo will spool faster no matter what

but the size of the turbo dictates just how much of a difference it creates
 

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06 Lincoln Zephyr
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81 Posts
Discussion Starter #5
Yeah my exaust is only 2 1/2 inch's so if it's not that drastic of a change I will just save the money and leave it at 2" downpipe.
Thanks for the info though!
 
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