Exhaust causing lack in performance? - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 02-11-2012, 07:22 PM Thread Starter
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Exhaust causing lack in performance?

Have been thinking about puttin a new exhaust on my truck and get away from the stock but have been told that a 4" is the best that a 5" will actually make u loose power and so on. So far my truck has a edge evolution programmer which about to look at getting a bdp chip or php but just that a shift kit and adrenaline hpop and 6" lift and 35s. Just wondering really would like to go with a 5" straight pipe but wanted to get some opinions first.


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post #2 of 16 Old 02-11-2012, 07:40 PM
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Go with 5"!!!

Most people that go with 4 wish they would have bit the bullet on a 5 now... it sounds nicer!

The argument is... 5" doesn't provide enough back pressure.
Well turbo powered vehicles don't need back pressure!


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post #3 of 16 Old 02-12-2012, 03:35 AM
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Go 5", you wont loose any power compared to a 4", it'll look good with your lift and tires, most importantly it'll sound bad @#* when you get on it.


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post #4 of 16 Old 02-12-2012, 09:54 AM
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Only comments I've heard against the 5" is the drone that it generates at highway speeds.
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post #5 of 16 Old 02-12-2012, 10:19 AM
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I have a 5" with no chip and lost some bottom end. Have a friend with 4" and mines ALOT louder. Now when i chip it i will get back what i felt i lost.
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post #6 of 16 Old 02-12-2012, 12:19 PM
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Quote:
Originally Posted by turbosuzuki View Post
I have a 5" with no chip and lost some bottom end. Have a friend with 4" and mines ALOT louder. Now when i chip it i will get back what i felt i lost.
Agreed!

Stock you might lose some bottom end power ..


I forgot people still run these trucks stock when they are soo fun to drive tuned up

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post #7 of 16 Old 02-12-2012, 12:38 PM
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Quote:
Originally Posted by Six0~Stroker View Post
Agreed!

Stock you might lose some bottom end power ..


I forgot people still run these trucks stock when they are soo fun to drive tuned up

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Trust me i want to run some tunes bad cause its no fun driving stock when merging or really just leaving from a dead stop seems to be the biggest struggle
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post #8 of 16 Old 02-12-2012, 01:27 PM Thread Starter
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Ok i really appreciate the opinions and thats what i was gonna do is just take my chances and im a mechanic and thats what people have told me like old timers is u have to have back pressure and as far as i know you dont on a turbo powered vehicle back pressure isnt good for a turbo. What would yal guy recomend going with beans tunes or php i hear the wait time is a while for php because it is family owned and operated but that what i like about it and was gonna go ahead and when i did get one frm php get the fu2 chip so i can change the tunes myself instead of have to send it in.


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post #9 of 16 Old 02-12-2012, 03:56 PM
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Quote:
Originally Posted by holding77 View Post
Ok i really appreciate the opinions and thats what i was gonna do is just take my chances and im a mechanic and thats what people have told me like old timers is u have to have back pressure and as far as i know you dont on a turbo powered vehicle back pressure isnt good for a turbo. What would yal guy recomend going with beans tunes or php i hear the wait time is a while for php because it is family owned and operated but that what i like about it and was gonna go ahead and when i did get one frm php get the fu2 chip so i can change the tunes myself instead of have to send it in.


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1. get the 5 inch exhaust
2. don not get an adreneline
3. jonathan at bdp is a bad as$ tuner
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post #10 of 16 Old 02-12-2012, 04:45 PM Thread Starter
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Are you saying do not get an adrenaline hpop cause i already have one why do you say not to?


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2002 f250 7.3 6" 35s edge evo shift kit straight pipe so far more to come soon.
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