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

Catless X-pipe

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Old Dec 9, 2008 | 07:07 PM
  #1  
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agarr19
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Default Catless X-pipe

hey guys im j/w if a catless xpipe is worth the cash and if so about how much hp will it add?
thanks
-Anthony
Old Dec 9, 2008 | 07:09 PM
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it wont add much hp if any but it will sound damn good
Old Dec 9, 2008 | 08:14 PM
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i beg to differ. I gained 13rwhp with a catted x pipe. and an o/r flows better and sounds better. so i say go for it. i would suggest pypes. stainless steel, reasonably cheap, and high quality.
Old Dec 9, 2008 | 10:03 PM
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VRS O/R x-pipe FTW

$245 shipped for splendid quality and stainless.

Oh and they sound so much better than catted IMO. Too refined and smooth. The O/R pipe really gives it that aggressive edge like a serrated knife.
Old Dec 9, 2008 | 11:43 PM
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562cobra
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first look into smog laws in your state, then go for a catless midpipe. just dont get rid of your stock h pipe. (just in case)
Old Dec 10, 2008 | 12:32 AM
  #6  
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i have a pipes O/R X ($150)

added a nice tone to my borla system

pypes FTW
Old Dec 10, 2008 | 08:33 PM
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ya id be putting onto a magnaflow cat back.....and i was wondering there is an option to get MIL eliminators what are these?
Old Dec 10, 2008 | 08:40 PM
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O2 simulators. they just tell your computer everything is functioning correctly and that the emissions levels are normal. keep your check engine light from coming on.
Old Dec 10, 2008 | 08:57 PM
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so do you think i should buy them?
Old Dec 10, 2008 | 09:13 PM
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Originally Posted by agarr19
so do you think i should buy them?
Dude you have a tuner, you dont need them. Turn your rear o2 sensors off.



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