1994-2004 V-6 3.8 and 3.9L V6 Mustangs

2.5" or 2.25" inch exhaust?

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Old 3/1/13, 10:46 PM
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Originally Posted by TheMuffinMan

Buy Mil-eliminators and keep the o/r pipe.
If I get MIL-eliminators with true duals, would I need cats at all?
Old 3/1/13, 10:47 PM
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mil eliminators keep the cel from coming on for no cats. you will pass as long as the inspector doesn't look under the car for cats (rare that they do). i haven't had cats since ive owned my car and ive passed no problems with mil eliminators.
Old 3/1/13, 11:00 PM
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Originally Posted by texastboneking
mil eliminators keep the cel from coming on for no cats. you will pass as long as the inspector doesn't look under the car for cats (rare that they do). i haven't had cats since ive owned my car and ive passed no problems with mil eliminators.
If caught without cats, would I be charged a fine, or would I just fail the test? I guess it would depend on the inspector
I think I just answered my own question.
Old 3/1/13, 11:03 PM
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Originally Posted by Skylar
If caught without cats, would I be charged a fine, or would I just fail the test? I guess it would depend on the inspector
I think I just answered my own question.
nope... no fine. just fail the test. then you look for another hole in the wall shop and slip them a 50 and they wont look
Old 3/1/13, 11:11 PM
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I asked my mechanic that does the inspection and repair for our families cars, and all he said was as long as it doesn't throw codes I don't care.
Old 3/1/13, 11:14 PM
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Originally Posted by TheMuffinMan
I asked my mechanic that does the inspection and repair for our families cars, and all he said was as long as it doesn't throw codes I don't care.
sounds like the mechanics i know
Old 3/1/13, 11:17 PM
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I'll look into that. I know it would be louder without cats, but it would definitely make it deeper too, right? I haven't paid much attention to exhaust vids that had no cats, cause I always thought I would have them.
Old 3/1/13, 11:20 PM
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Originally Posted by Skylar
I'll look into that. I know it would be louder without cats, but it would definitely make it deeper too, right? I haven't paid much attention to exhaust vids that had no cats, cause I always thought I would have them.
Depends a o/r x pipe will not sound too good. A H pipe would sound a lot better on a v6.
Old 3/1/13, 11:20 PM
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Originally Posted by Skylar
I'll look into that. I know it would be louder without cats, but it would definitely make it deeper too, right? I haven't paid much attention to exhaust vids that had no cats, cause I always thought I would have them.
small hp gain also. especially if you like free flowing exhaust
Old 3/1/13, 11:22 PM
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Originally Posted by TheMuffinMan
Depends a o/r x pipe will not sound too good. A H pipe would sound a lot better on a v6.
h-pipe sounds better. x pipe offers slightly more hp gains. if i had a v6 i would choose h pipe. v8 i have an x
Old 3/1/13, 11:25 PM
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Originally Posted by texastboneking

h-pipe sounds better. x pipe offers slightly more hp gains. if i had a v6 i would choose h pipe. v8 i have an x
Agree 100% why would you add loud rasp to an already raspy sound. H pipe all the way!
Old 3/1/13, 11:28 PM
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Originally Posted by TheMuffinMan
Agree 100% why would you add loud rasp to an already raspy sound. H pipe all the way!
my bud has an x. it raspy but he is running spintech mufflers so it actually sounds good. if you run the right mufflers x pipe dont sound bad
Old 3/1/13, 11:30 PM
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Originally Posted by TheMuffinMan
Agree 100% why would you add loud rasp to an already raspy sound. H pipe all the way!
True duals shouldn't sound raspy?
Old 3/1/13, 11:31 PM
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Originally Posted by TheMuffinMan
Agree 100% why would you add loud rasp to an already raspy sound. H pipe all the way!
Divorced duals shouldn't sound raspy?
Old 3/1/13, 11:32 PM
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Originally Posted by Skylar
True duals shouldn't sound raspy?
ewwww... true duels rob power bad.. thats old school ****... if you want to lose top end power go for it. x pipe and h pipe will destroy true duels....
Old 3/1/13, 11:45 PM
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I had an x pipe at first then true duals now h pipe two cats and borla stingers. Plan to get longtubes and get rid of cats
Old 3/1/13, 11:46 PM
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Originally Posted by texastboneking

ewwww... true duels rob power bad.. thats old school ****... if you want to lose top end power go for it. x pipe and h pipe will destroy true duels....
Destroy? It can't be that much of a difference.
Old 3/1/13, 11:46 PM
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Originally Posted by Blackout
I had an x pipe at first then true duals now h pipe two cats and borla stingers. Plan to get longtubes and get rid of cats
Which did you like better, true duals or H pipe?
Old 3/1/13, 11:49 PM
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Originally Posted by Skylar
Destroy? It can't be that much of a difference.
on my friends 2500 gmc he lost 50 hp going true duels... he has a supercharged 6.0 in a 2500 gmc. his top end power aint near what it used to be.
Old 3/1/13, 11:49 PM
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Originally Posted by Skylar

Divorced duals shouldn't sound raspy?
Originally Posted by Blackout
I had an x pipe at first then true duals now h pipe two cats and borla stingers. Plan to get longtubes and get rid of cats
No I I was talking about X pipes making the v6 too raspy and ricy in my opinion. If you are going to go with true duals go with the H pipe, no one cars about all of 2-3 hp if your car doesn't sound as good. Also true dual exhaust has a mid pip (with either a X or a H) I think you have divorced duals and true duals mixed up blackout.


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