Exhaust Upgrades For Your X...What Do You Have?
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From: Washington State-wetside
Exhaust Upgrades For Your X...What Do You Have?
Getting ready to upgrade the exhaust on the 7.3 Powerstroke 2002 Exursion I recently aquired. What does everyone have, and what are the good and bad...ease of install, drone noise, too loud, etc.
Couple additional questions....
4' or 5"...any benefit to larger, or is it overkill?
What kind of improvement...mpg, power, etc?
Planning on SS...best system reccomendations?
Also any picture(s) would be great...install or otherwise.
Couple additional questions....
4' or 5"...any benefit to larger, or is it overkill?
What kind of improvement...mpg, power, etc?
Planning on SS...best system reccomendations?
Also any picture(s) would be great...install or otherwise.
Post Fiend
Joined: Mar 2009
Posts: 11,798
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From: Mt. Shasta California
Overkill. The size of the pipe is only beneficial at higher RPM's so let's say your max rpm is 6,000 and the cutoff point for optimal pipe size is 2 3/4", even a 3" pipe won't help you. Also the pipes must conform to the cat and muffler and if one of those are a bottleneck your biggest and best pipe size could only be 2". Determining the right pipe size can only be done on a dyno.
Veteran/Sheepdog
Joined: Feb 2012
Posts: 6,047
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From: Western AR
I had a 5" on mine for a year. It was a VERY tight fit, and it rattled a little against the frame where it met the down pipe. Wife got very tired of the rattle. I had a Walker BTM muffler on it and an FTE resonator. It sounded GREAT! Like a jet engine. After listening to wife complain for a year, I went down to a 4" aluminized with muffler. It sounds like a big block now. I don't like it. Install on the 4" was quite easy. I went with Diamond Eye. The FTE resonator is all the difference in the sound. It takes the choppiness out of the sound. I may be looking to get the 4" version of their product.
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From: Central Coast of CA
Getting ready to upgrade the exhaust on the 7.3 Powerstroke 2002 Exursion I recently aquired. What does everyone have, and what are the good and bad...ease of install, drone noise, too loud, etc.
Couple additional questions....
4' or 5"...any benefit to larger, or is it overkill?
Couple additional questions....
4' or 5"...any benefit to larger, or is it overkill?
What kind of improvement...mpg, power, etc?
Swapping the exhaust on a 7.3L is done for better EGT control when towing (especially if you have custom tunes), and for sound.
Planning on SS...best system reccomendations?
Unsalted in the winter = aluminized.
The most common exhaust for the 7.3L is MBRP.
Also any picture(s) would be great...install or otherwise.
It's so easy...
Stewart
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From: Siesta Key, FL
I love my MBRP system. Did the 4" turbo-back. Granted mine is on a 6.0 with test pipe, but a friend has the MBRP on his 7.3 as well. The fit worked just as well on both. Nice sound, but a slight drone north of 2200 RPM..for me which is about 75-80 mph.
Wiser by FTE
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From: Washington State-wetside
"The most common exhaust for the 7.3L is MBRP."
From what I have researched that seems to be my first choice. Was thinking the SS MBRP 4" Turbo Back T409 or the MBRP 4" Turbo Back T304.
The aluminized has 3 year warranty and the stainless lifetime, thus the inclanation to spend a little more up front.
From what I have researched that seems to be my first choice. Was thinking the SS MBRP 4" Turbo Back T409 or the MBRP 4" Turbo Back T304.
The aluminized has 3 year warranty and the stainless lifetime, thus the inclanation to spend a little more up front.
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Both of my PSD's have a straight pipe in place of the muffler. The sound isn't too bad unless you get on it in a tunnel or underpass.
It also seems to help on those full power passes when you finally get the chance to pass a sprocket on a 2 lane road.
It also seems to help on those full power passes when you finally get the chance to pass a sprocket on a 2 lane road.
More Turbo
Joined: Oct 2012
Posts: 672
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From: Tampa, FL
It's actually the most common for the 6.0 as well. I happen to have the 4" Flo-pro without cat with 5" MBRP tip for looks, and I love it as well.
When you're done with the install, take it for a test spin and turn left... hard. If you hear and feel a rubbing noise, take a pry bar and wedge it between the down tube and the body frame it's rubbing against when the truck flexes and give her hell.
When you're done with the install, take it for a test spin and turn left... hard. If you hear and feel a rubbing noise, take a pry bar and wedge it between the down tube and the body frame it's rubbing against when the truck flexes and give her hell.
Wiser by FTE
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Senior User
Joined: Aug 2006
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From: Siesta Key, FL
I'll put it to you this way... I can hear the drone in the 75-80 mph range...but that tells me the Powerstroke is gettin the job done, and it doesn't bother me. More importantly the co-pilot in the right seat says it's no big deal to her. Or maybe I just have her used to loud trucks 
Now in the 3rd row there's two 6 year olds...and according to them, they think it sounds awesome...as they got their headphones on thumbing through their iPads.
Underpasses...yeah...that's where I can't resist rompin on it, because the MBRP really howls when you lay into it.
Now in the 3rd row there's two 6 year olds...and according to them, they think it sounds awesome...as they got their headphones on thumbing through their iPads.Underpasses...yeah...that's where I can't resist rompin on it, because the MBRP really howls when you lay into it.
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Currently have stock exhaust on a 6.0 with muffler/cat delete
Thinking about a 4" MBRP turbo back with muffler and test pipe to reduce EGTs and hopefully quiet it just a bit ( by adding back a muffler).
Will This bring the noise down a bit ?
Thinking about a 4" MBRP turbo back with muffler and test pipe to reduce EGTs and hopefully quiet it just a bit ( by adding back a muffler).
Will This bring the noise down a bit ?