stacks or no stacks??? - Ford Powerstroke Diesel Forum
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Old 06-27-2010, 09:00 AM
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stacks or no stacks???

Well its almost time to do an exhaust upgrade on the 7.3, but not sure what i want to do, stacks or a single 4in turbo back. if i do stacks they would be 4 in turbo back to stacks. just wondering if there are any benefits to either one. i know that stacks would probably louder (which i have no problem with loud) but for performance wise, which would all you guys perfer?
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Old 06-27-2010, 10:30 AM
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all up to you (the owner) both are a great setup over stock with power and mpg gains
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Old 06-27-2010, 10:48 AM
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The performance gains of both are comparable so it is purely whether you want stacks or a rear exit exhaust.
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Old 06-27-2010, 10:58 AM
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I've heard over time the drone from the stacks being right behind your head gets pretty annoying
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Old 06-27-2010, 11:20 AM
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i have the stock 3.5 downpipe to 4in to 5in stacks, really not that loud with the windows up and radio on, to me a not as loust as the stock exhaust that was straight piped
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Old 06-27-2010, 11:41 AM
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I never noticed the 6" stacks on my 6.0 as being too loud, but I had a quad cab so maybe that helped? I could carry on a conversation in the cab just fine at highway speeds...it was when I got on it that you couldnt hear anything.

If you plan on using your bed frequently the y-pipe might be an annoyance, but I worked around mine easily enough.
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Old 06-27-2010, 11:48 AM
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IMO, stacks on pickup trucks are just silly looking.
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Old 06-27-2010, 12:45 PM
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Quote:
Originally Posted by jtseidl View Post
i have the stock 3.5 downpipe to 4in to 5in stacks, really not that loud with the windows up and radio on, to me a not as loust as the stock exhaust that was straight piped
My stock exhaust is straight piped now and i plan on getting stacks soon, you're sayin' stacks are quieter? Cause my exhaust right now aint really that loud. Only when i hammer it with the windows down.



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Old 06-27-2010, 12:47 PM
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Stack is louder (single that is) and lower egt's than rear exit. Not to noisey when the windows are up or te front ones are down but open the rear slider she will scream and cant hear much of anything, but i love it!
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  #10  
Old 06-27-2010, 12:51 PM
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I vote no. Mainly because if you use your truck like a truck you'll set you load on fire! Race/show trucks....OK. Or trucks that pull trailers!
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