4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

exhaust install

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Old 11-20-2006, 10:23 PM
  #1  
95stang50
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Default exhaust install

alright to start off my friend has a 99 stang gt 5 speed....this weekend his exhaust should be in which is a bbk offroad x-pipe and he got the slp loud mouth cat back and mil eliminators....im wondering how everything will go togather are x pipes hard to install? and the mil eliminators? how are they supposed to be installed? and how will all this sound? thanks guys
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Old 11-20-2006, 10:55 PM
  #2  
kcp1989
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Default RE: exhaust install

Installing everything is the easy part. sort of
Pb blaster is a must with a long breaker bar to get those stubborn manifold bolts off.
Before installing everything, you might as well remove all 4 manifold studs because they are usually all messed up anyway and on the driver side, The threads stop early so you cant tighten it down all the way. I used those easyout threaded sockets they sell at autozone for 20 bucks. Then returned them of cource. But once you get all that out, I believe the stock cat back must be cut to get out.
Make sure you have the gasket for the passenger side manifold when installing the new x pipe.
The mills just go in between where the rear o2 sensors connect. pretty simple. make sure they want drag
Other then that, it might be a breeze and take 3 hours or it might take 20 hours like it did for me.
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Old 11-21-2006, 01:37 AM
  #3  
Aereon
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Default RE: exhaust install

hardest part is the damned passenger side, i'd try and get access to a lift.. working under a jackstand took me 3-4 hours to install the x pipe.. the catback was like a 15 min bolt up lols
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Old 11-21-2006, 04:34 AM
  #4  
miglet
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Default RE: exhaust install

i actually just took off my h-pipe in 10 minutes here.. it's simple..

1/2 inch wrench
12" extender + 6" extender to make it easy
swivel
18mm deep/mid socket.
22mm wrench

jack it up a good foot or so, its all easy to get off, until you get to the 1 bolt on the passenger side, theres one o2 sensor in the way... i ended up using the box end on a 22mm wrench going over the wire and losening it.. then twisting the sensor wire so it unscrews itself.... faster than slowly moving in 2 inches of wrench space...

if it's ur first time, almost guaranteed those nuts will be on there GOOOOD.. remember - your feet are like 5x stronger than your arms, use your feet!

then theres 4 bolts where the catback connects.. I think I used 14mm.. then theres only 2 rubber hangers in the middle of the h-pipe holding it up.

disconnect those, kick the catback back alittle and jiggle that sucker down
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