5" vs 4" - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 12-31-2007, 06:13 AM Thread Starter
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5" vs 4"

Ok guys i am trying to decide on exhaust to buy. I am definately going to go with MBRP. Which is louder and has a better tone the 5" or 4"?
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post #2 of 4 Old 12-31-2007, 07:11 AM
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5 inch will be louder with a better, deeper tone. I have a 4 on my truck and love it though.

2004 F-250 6.0
SCT running Extreme Street from Innovative, 4" straight pipe 6" tip, ISSPRO Pyro and Boost guages, Zoodad, Omega remote start, sirius radio
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post #3 of 4 Old 12-31-2007, 08:29 AM
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the 5" will be a lower tone.... you will see no performance gain between the bot
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post #4 of 4 Old 12-31-2007, 08:56 AM
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I had the same question. look for the thread 4" vs 5" haahahah. I ended up deciding to go with a 4". Its apparently much easier to install and when you straight pipe it it sounds greeaat.

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