Offroad x pipe question - Mustang Evolution

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Old 05-02-2012, 10:56 AM   #1
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Offroad x pipe question

With an offroad x pipe or h pipe will I not pass emmisions if I go with one of them?
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Old 05-02-2012, 11:12 AM   #2
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More than likely you'll fail with an off road set up on.
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Old 05-02-2012, 11:24 AM   #3
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If you get a tune or mil plugs you will pass a computer inspection but if the test what comes out the pipe no
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Old 05-02-2012, 11:26 AM   #4
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What about a catted x pipe?
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Old 05-02-2012, 11:35 AM   #5
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You will pass
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Old 05-02-2012, 11:37 AM   #6
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You can look up what is required for the state you live in each one is different I know for NJ you need one cat per exhaust pipe coming from the motor
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Old 05-02-2012, 11:37 AM   #7
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Okay you know what catted x pipe would sound good with my slp loudmouth 1 full exhaust on my 04 gt?
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Old 05-02-2012, 11:45 AM   #8
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Quote:
Originally Posted by RUNNWLD
Okay you know what catted x pipe would sound good with my slp loudmouth 1 full exhaust on my 04 gt?
Bassani
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Old 05-02-2012, 02:40 PM   #9
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Quote:
Originally Posted by RUNNWLD
Okay you know what catted x pipe would sound good with my slp loudmouth 1 full exhaust on my 04 gt?
Honestly everyone has their own preference do some quality YouTube videos
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Old 05-02-2012, 03:09 PM   #10
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I really dont want it all raspy but I want it hella loud but it needs to be catted so I can pass emmisions?
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Old 05-02-2012, 03:18 PM   #11
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Then you best bet is chambered exhaust and the mid pipe will make it loud haha
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Old 05-02-2012, 04:01 PM   #12
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What's chambered exhaust cause I have an slp 1
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Old 05-02-2012, 04:11 PM   #13
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There's a reason they call it off road.

---------- Post added at 05:11 PM ---------- Previous post was at 05:07 PM ----------

Quote:
Originally Posted by RUNNWLD
I really dont want it all raspy but I want it hella loud but it needs to be catted so I can pass emmisions?
Yes catted. With cats I think a straight pipe with really long tips sound good. Loud, but not going to jail loud. Bout a $100 bucs at a local shop
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Old 05-02-2012, 04:12 PM   #14
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Thats not chambered
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Old 05-02-2012, 04:15 PM   #15
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Your car will b incredibly loud with an o/r and Slp loud mouths I would suggest maybe taking cats off your stock mid pipe and only having one on each pipe
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Old 05-02-2012, 05:12 PM   #16
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Quote:
Originally Posted by mcvicar04
Your car will b incredibly loud with an o/r and Slp loud mouths I would suggest maybe taking cats off your stock mid pipe and only having one on each pipe
Would I pass emissions though?
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Old 05-02-2012, 05:24 PM   #17
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You should because the minimum is one I would do some research but I don't see why not
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Old 05-02-2012, 05:42 PM   #18
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You should because the minimum is one I would do some research but I don't see why not
If I do that will it make it louder?
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Old 05-02-2012, 05:54 PM   #19
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Yea
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Old 05-02-2012, 05:55 PM   #20
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Quote:
Originally Posted by mcvicar04
Your car will b incredibly loud with an o/r and Slp loud mouths I would suggest maybe taking cats off your stock mid pipe and only having one on each pipe
+1

---------- Post added at 10:55 PM ---------- Previous post was at 10:54 PM ----------

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Originally Posted by RUNNWLD

If I do that will it make it louder?
Much louder
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Old 05-02-2012, 07:07 PM   #21
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Re: Offroad x pipe question

stock cats are only 2.25 diameter pipe. you either need to buy a catted mid-pipe or get one custom made with high flow cats at an exhaust shop
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Old 05-03-2012, 01:20 PM   #22
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Re: Offroad x pipe question

Most inspection places will only test your emissions if your car is throwing a CEL. if you get a tuner or MIL eliminators then your car will not throw a code and you will not get your emissions tested. I've been running an o/r x-pipe for two inspections now and never got tested, however my old truck had a CEL and they tested emissions on it every time.
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Old 05-03-2012, 01:39 PM   #23
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Re: Offroad x pipe question

I am assuming when you take your car in for testing they do a tail pipe test. if that the case then you might be able to get away with just one cat per tail pipe. If you still dont think you'll pass the test then dont remove any cats. just get an x-pipe installed after the cats. I did this on both of my mustangs.

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