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

Exhaust setup

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Old Sep 5, 2008 | 08:37 AM
  #1  
KJohnson99gt's Avatar
KJohnson99gt
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Default Exhaust setup

would MAC long tubes, MAC catted h pipe, and turn downs be very loud?
Old Sep 5, 2008 | 08:48 AM
  #2  
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9BlackOnBlack8
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Itll be louder than stock but not a lot louder, the biggest thing that will make it louder is the dumps, what mufflers are you talking about?
Old Sep 5, 2008 | 09:25 AM
  #3  
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jwarner0297
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the LT's would be quiter at idle, the catted H will flow a little more sound but if the turn downs are just pipe and no mufflers it will be pretty loud
Old Sep 5, 2008 | 10:08 AM
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98redstang
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i have mac lt's the catted h pipe and flowmasters and its pretty loud but only when you get on it. Im taking my stock pipe and chopping it to make an o/r pipe this weekend which i hope will be even louder. The only other reason im going catless is cause my rings on the #1 are bad so im burning oil which is going in to my cat on the driver side which is going to ruin it. So thats why im putting the o/r in.
Old Sep 5, 2008 | 01:10 PM
  #5  
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98MustangGT46
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Originally Posted by 98redstang
The only other reason im going catless is cause my rings on the #1 are bad so im burning oil which is going in to my cat on the driver side which is going to ruin it. So thats why im putting the o/r in.
I wonder how the cops would take that answer.
Old Sep 10, 2008 | 04:49 PM
  #6  
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98redstang
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haha lucky my dads a state trooper. But were gonna fix the problem next week so im not going with the o/r i might do a muffler delete though i need it LOUDER!!!!! hahaha
Old Sep 10, 2008 | 05:11 PM
  #7  
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Dan04COBRA
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It's going to be loud, even if it's catted. Especially with turn-downs.

Stick with cats and forget the turn-downs and it won't be annoyingly loud. It's all personal preference though..
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