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Oct 31, 2009 | 08:06 PM

scion_andrew

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From: Texas!!!

exhaust

Ok guys im bout to have a exhaust an downpipe made, my question is should i make it 2.5 in or 3in?
Will it make a huge diff its 3in???
it will basically be a straight pipe with a carbon ti

Oct 31, 2009 | 09:27 PM

gingles

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3 inch helps out alot....2.5 is ok...but 3 inch is the best for a high hp setup

Oct 31, 2009 | 09:30 PM

scion_andrew

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wat is high hp ? im gonna be running 9lbs, so 2.5 will be good for that?

Oct 31, 2009 | 09:46 PM

coryjames

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if cost is the same do the 3 inch if you dont you will regret it down the road go full 3 inch exhaust you will never regret it

Nov 1, 2009 | 12:07 AM

Prototype_xB

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over 300whp the accumulated recommendation is 3" but @ 9lbs a 2.5" should be fine. but as cory says, if the cost is the same, go 3". Room for expansion later as well.