All these choices on exhaust! - Ford Powerstroke Diesel Forum
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Old 01-09-2009, 10:18 AM
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All these choices on exhaust!

I'm looking at exhaust systems and am so confused by all these choices. Cat back vs turbo back? 4" vs 5"? Impact of removing the cat or the muffler? Does a 4" vs a 6" tip make a difference or does the 6" just look better? Something to do with pressures and temperatures?

Can someone please explain to me what the differences are! I'd really like to understand it before I buy something. Thanks!
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Old 01-09-2009, 10:20 AM
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If your going to spend the money might as well do turbo back. Cat back isn't going to lower egt's much it just looks better.

4" is all you need if your stock with a chip. You would need to be pretty radical to actually use a 5" but that also depends on the "cool" factor.
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Old 01-09-2009, 10:29 AM
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The tips are just for looks, removing the cat and/or muffler drops egts a bit(20-40 deg. been told) and adds more noise.
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Old 01-09-2009, 10:41 AM
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Send a message via AIM to Raul@Stealth Automotive
yah cat back is just useless.. just do a 4" TB exhaust.. if you want keep your cat then go with something like MBRP.. if your looking for a straight pipe then our budget kit will do...

let me know if you have any questions... here are a couple of links

with cat: Ford 250/350 6.0 4" Turbo Back (stock cat) EC/CC

budget kit: Stealth 4" Budget Kit

-Raul
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Old 01-09-2009, 11:10 AM
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MBRP all the way they make a great system!
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Old 01-09-2009, 01:23 PM
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+1 Mbrp install is easy if your good with tools.......Hardest part was the stock downpipe until the sawzall came out........
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Old 01-09-2009, 01:32 PM
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4" is all you need A mandrel bent piece of 4" tubing is just that no matter who's name is on it. What is in portant is fit and material if you are in the salt you should look into SS. I have a Summit racing. I have heard that MBRP fit is good.
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Old 01-09-2009, 03:40 PM
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SS 4 in Magnaflo TB here with cat delete.......Great Fit and finish and was priced right........
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Old 01-09-2009, 04:04 PM
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If you know nothing about exhaust then you probably know less about more important things on the truck. Save your money from the exhaust for now unless it's falling off or something and replace all fluids and filters with high quality stuff. Then get to know your truck a little better, If all your after is sound then just straight pipe the muffler thats the cheapest.
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Old 01-09-2009, 04:29 PM
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[/QUOTE] 4" is all you need if your stock with a chip. You would need to be pretty radical to actually use a 5" but that also depends on the "cool" factor.[/QUOTE]

Not trying to hijack...
I can't tell from the you tube videos (since video cameras never seem to duplicate the sound you hear in person) has anyone heard in person the two exhausts, if so which one is louder? I have welded up my own delete pipes for my cat and muffler and it sounds good, I am just wondering for when it falls off.
Thanks
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