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

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Old Mar 13, 2003 | 01:49 PM
  #1  
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polo
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HI everybody I'm new to the mustang family ,I just bought a 99 Gt and I'm curious what to do first .
Old Mar 14, 2003 | 08:01 PM
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noslow50
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Welcome...lol there is sooo much u can do to a stang, be more specific..
Old Mar 15, 2003 | 12:31 PM
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polo
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I'm sorry ,I want more horsepower and a nice deep loud sound.
Old Mar 15, 2003 | 12:33 PM
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lloydchristmas
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Flow masters!!!!!!!
Old Nov 22, 2008 | 06:45 PM
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UltraKla$$ic
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welcome
Old Nov 22, 2008 | 07:27 PM
  #6  
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07q335
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welcome
Old Nov 22, 2008 | 10:04 PM
  #7  
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ponyandajag
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WElcome to the forums. First cold air intake and exhaust.
Old Nov 22, 2008 | 11:59 PM
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Novanutcase
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Joined: Sep 2007
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From: Los Angeles
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My .02!

Rear Gears(Either 3.73's if you plan on going FI or 4.10's if you're going to leave it N/A)
MGW Short Shifter
LT's if you can get around smog or if your state doesn't have it.
Flowmaster 40's

John
Old Nov 23, 2008 | 12:19 AM
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Sxynerd
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Gears and exhaust...
Old Nov 23, 2008 | 11:33 AM
  #10  
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pcs
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From: yuma, az
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remove the air silencer (free)
cat-back. flow master sounds nice, but i had their cat back and it would rub my drive shaft and it damaged my exh hangers since they weigh more than the stock mufflers. so i went with slp. a friend of mine had similar issues with his weld on flow masters too.
throttle body w/ plenum combo is nice too.
gears will not give you hp but they will allow you to make better use of the hp you have. plus they are a bit pricey to get installed, i would hold back on gears for now, buts its all up to you.
also, welcome to the forum.



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