4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

Larger Exhaust pipes or not?

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Old 04-22-2008, 08:23 PM
  #1  
jwarner0297
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Default Larger Exhaust pipes or not?

I have a 03 GT with 5spd, and am going to installseveral bolt ons and was wondering if going to a 3" exhaust pipefrom the headers back would bea good idea? I'm running shorty headers, and will have no cats.
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Old 04-22-2008, 09:02 PM
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H0SS302
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Default RE: Larger Exhaust pipes or not?

2.5 max, dont run 3s unless ur pushing big power
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Old 04-22-2008, 09:32 PM
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Chubstang
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Default RE: Larger Exhaust pipes or not?

ORIGINAL: H0SS302

2.5 max, dont run 3s unless ur pushing big power
^ He speaks the truth

And that thing in your sig is pretty awesome.
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Old 04-22-2008, 09:37 PM
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I G Joe
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Default RE: Larger Exhaust pipes or not?

2 and a half would be just fine, also Hoss, gotta love that sig!
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Old 04-23-2008, 11:10 AM
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jwarner0297
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Default RE: Larger Exhaust pipes or not?

Yeah I thought so. I'm on my 5th mustang; 1969 convt. 302, 1986 5.0, 1998 gt, 2001 gt, and now this one. My 69 I had 3" from collector back but this car isn't as much hp. thanks.
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Old 04-23-2008, 04:05 PM
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NeedStangSpeed
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Default RE: Larger Exhaust pipes or not?

You'd have hell getting the 3" over the axle anyway. 2.5 would be the best way to go.
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