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

Cat question

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Old Feb 19, 2006 | 06:17 PM
  #11  
traveler's Avatar
traveler
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Default RE: Cat question

You really can't look at it that way. Exhaust is an important mod if you're going to keep improving (adding mods). It is expensive to do it right and it does take asking questions and doing some research.
Old Feb 21, 2006 | 05:29 PM
  #12  
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04V6Stang
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Default RE: Cat question

Just bringing this back up. Anyone?
ORIGINAL: 04V6Stang

Went to mustangtuning and the X-pipes for the 04 V-6, both cat'd and straight, are temporarily discontinued. Sent them an email to see when they'll be available again. If I understand what you're saying I should get the X-pipe and a GT Borla. I'm assuming you mean a 04 GT set up for the V-8. Borla has a side exit Cat back for the 04 vert V-6. Will this work with the x-pipe you recommend? I've tried to call Borla but twice I've been on hold for like 30 minutes. In regards to the 40 series set up I'm really not looking for the stock look. I'd prefer to get the side exit if I can do it without a hefty amount of bending and welding. Speaking of welding, even though the Borlas are supposed to be bolt on is it better to weld anyway? Also, will the steel X-pipe be compatible with the Stainless Borlas? Would there be some dissimilar metal corrosion?
ORIGINAL: jthorn9

OK, no cats will give you a deeper more aggressive tone, but will cause a loss of back pressure, but an x pipe will help create a hair bit of back pressure, but you will still get a slight hp and torque gain from this mod. You get a v6 x pipe, mustangtuning.com sells one, then you get GT Borla exhaust, the cat back exhaust kit mounts up directly to the x pipe which mounts up directly to the headers. You will also have to get MIL eliminatiors if you get off road x pipes becuase off road x pipes will throw off your O2 sensors which can be corrected my MIL eliminators.
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