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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-

Fox Mid Pipe

  • Thread starter Thread starter 93gtmustang
  • Start date Start date Oct 20, 2025

93gtmustang

10 Year Member
Oct 21, 2006
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Oct 20, 2025
#1
  • Oct 20, 2025
  • #1
I have a 93 Mustang.
5.0 Ford Racing Crate motor from 2006. 345 flywheel hp.
Running BBK long tube headers.
Drag car only.
Could it drop ET from a H-Pipe or X-pipe
Thanks for any info!
 
Last edited: Oct 20, 2025

nickyb

I gotta say i never painted my nuts, Never Ever
15 Year Member
Apr 3, 2009
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Oct 20, 2025
#2
  • Oct 20, 2025
  • #2
Are you running open headers now?
An eighteen inch pipe off the header collector will net a little more h.p.
 
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93gtmustang

10 Year Member
Oct 21, 2006
515
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49
Oct 20, 2025
#3
  • Oct 20, 2025
  • #3
nickyb said:
Are you running open headers now?
An eighteen inch pipe off the header collector will net a little more h.p.
Click to expand...
Yes. I am running the open headers now.
I have approximately an 8 to 10 inch pipe off the collector
 

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor
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#4
  • Oct 20, 2025
  • #4
It's a wash.

You get a little more peak HP from an X or a little more torque at the bottom from an H.




I mean... Unless you're setup to redline [right at] the finish line, foggetaboutit.

The graph above is a higher HP Coyote but: Take your FHP as a percentage of what is on the graph and multiply it by the improvements seen above and that will give you an idea. So, a 7 peak HP gain in the graph above would mean roughly (all things being equal) a best of 5-6 HP peak gain.

To me, the juice is not worth the squeeze. Pick whichever one [sounds] the best.

It's not apples to apples but it should give some idea.
 
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93gtmustang

10 Year Member
Oct 21, 2006
515
43
49
Oct 21, 2025
#5
  • Oct 21, 2025
  • #5
Noobz347 said:
It's a wash.

You get a little more peak HP from an X or a little more torque at the bottom from an H.




I mean... Unless you're setup to redline [right at] the finish line, foggetaboutit.

The graph above is a higher HP Coyote but: Take your FHP as a percentage of what is on the graph and multiply it by the improvements seen above and that will give you an idea. So, a 7 peak HP gain in the graph above would mean roughly (all things being equal) a best of 5-6 HP peak gain.

To me, the juice is not worth the squeeze. Pick whichever one [sounds] the best.

It's not apples to apples but it should give some idea.
Click to expand...
My rpms are 6000 to 6100 at the finish line
 

Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
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Oct 21, 2025
#6
  • Oct 21, 2025
  • #6
Noobz347 said:
It's a wash.

You get a little more peak HP from an X or a little more torque at the bottom from an H.
Click to expand...


Drag car, so I assume it's WOT the entire time, high RPMs. Really need to compare the power curves of open headers vs H/X pipe in a drag application.

Street car will benefit, but in this case I'm not so sure. Really all depends on weight of car, gearing, etc.
 
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