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V6 (1994-2004) Mustangs Technical discussions on the 3.8L and 3.9L V6 torque monsters

Dual Exhaust System

Old 08-09-2015, 12:53 AM
  #1  
MustangHead91
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Default Dual Exhaust System

Hey everyone. I have a 2004 Mustang V6 and I want to get a dual exhaust system to give it that aggressive sound. If I were to buy a true dual exhaust system, can I buy a GT made exhaust system, or do I specifically have to buy it marked as V6. Because I read online I could just smack on a GT after market exhaust system. Is this true? Does it make a difference?
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Old 08-09-2015, 03:34 AM
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KrazyKen
 
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Take a look at the tech articles contained on this forum. Lots of Mustang modding information created by real Mustang owners. Follow this link:

https://mustangforums.com/forum/v6-1...-articles.html

But basically you need one of the following to get a dual exhaust:
1. Y pipe dual conversion kit. Comes with everything after the cats. Not a true dual exhaust.
2. A full v6 true dual exhaust conversion kit. Comes with everything after the headers.
3. Replace the Y pipe with an X or H pipe. Then you can use a GT take off exhaust.
4. Custom shop to make one for you.
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Old 08-14-2015, 07:00 AM
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BabyGT
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If you grab the exhaust from the cats back off of a gt in a parts yard and carry that to a shop they should be able to fab the rest of a true dual setup cheaply and pretty quick. On a v6 you want an h pipe, an x pipe is more raspy.
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Old 08-15-2015, 08:08 PM
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PNYXPRESS
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If you do grab the GT tailpipes make sure you grab all the hangers as well.
Also grab the bolts and clips to install the hangers.
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Old 09-07-2015, 06:03 PM
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vmuth
 
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Dual exhaust on a v6 is a waste of money
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Old 09-07-2015, 07:12 PM
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PNYXPRESS
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If you do true duals, no it's not.
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Old 09-08-2015, 07:39 PM
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KrazyKen
 
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Originally Posted by vmuth View Post
Dual exhaust on a v6 is a waste of money
Why do you think it is a waste of money? Please share!
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Old 09-15-2015, 09:07 AM
  #8  
Matthew954
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If you want a mellow rumble, you might want to consider the Flowmaster American Thunder exhaust kit from American Muscle. Match that up with the Pacesetter H-Pipe adapter to connect the exhaust to the stock headers. I've spent the better part of a year trying to decide what exhaust I want done to my 04 sixxer, and plan on getting it done at tax time next year.

The H-Pipe -http://www.americanmuscle.com/pacesetter-adapter-kit-9904v6.html

The Flowmaster -http://www.americanmuscle.com/flowmaster-catback-9904gt.html
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