X-Pipe break in Period? - Mustang Evolution

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Old 05-15-2015, 03:23 PM   #1
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X-Pipe break in Period?

X-pipe with the factory cats was supposed to be raspier and louder on my Roush's but it's quiet now.. Is there a period of break in or am I missing something?
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Old 05-15-2015, 03:26 PM   #2
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If you put the factory cats on a new midpipe I don't think that midpipe will change the,volume that much
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Old 05-15-2015, 03:38 PM   #3
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If you put the factory cats on a new midpipe I don't think that midpipe will change the,volume that much

Yikes. Well, it's very muffled now and the sound doesn't bounce off anything anymore. It's much quieter. Pretty frustrating when the reviews said it would be louder.
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Old 05-15-2015, 03:47 PM   #4
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Well your factory cats are what quiets the system the most so you didn't really change a whole lot
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Old 05-15-2015, 04:15 PM   #5
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Well your factory cats are what quiets the system the most so you didn't really change a whole lot

I suppose. But I'm just so confused when the reviews said this mid pipe with Roush would be NASCAR loud and instead my sound was muffled and inaudible.
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Old 05-15-2015, 04:17 PM   #6
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Well yeah the midpipe itself would be. You bought an off road x? If so the reviews you read were for a CATLESS pipe which is substantiouly louder
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Old 05-15-2015, 04:23 PM   #7
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Well yeah the midpipe itself would be. You bought an off road x? If so the reviews you read were for a CATLESS pipe which is substantiouly louder

The product was just an x-pipe and the reviews were on that product. Factory cats.
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Old 05-15-2015, 04:31 PM   #8
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Can you post a link to what you are referring to?
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Old 05-15-2015, 05:02 PM   #9
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Can you post a link to what you are referring to?

http://www.americanmuscle.com/pypes-xpipe-2011gt.html
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Old 05-15-2015, 05:07 PM   #10
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Ah so an aftercat x pipe. I still don't see how it would be louder, maybe change tone a bit but not louder. How long have you had it on?
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Old 05-15-2015, 05:14 PM   #11
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Ah so an aftercat x pipe. I still don't see how it would be louder, maybe change tone a bit but not louder. How long have you had it on?

Less than a day..
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Old 05-15-2015, 05:20 PM   #12
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Maybe consider a resonator delete?
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Old 05-15-2015, 05:24 PM   #13
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Maybe consider a resonator delete?

I've been thinking about that. Seen a few nice videos with that setup.
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Old 05-15-2015, 05:28 PM   #14
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I think that may get you to where you wanted to be with the x pipe
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Old 05-16-2015, 05:20 PM   #15
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X-Pipe break in Period?

Take the cats out, that's what makes the car loud.


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Old 05-16-2015, 07:36 PM   #16
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My experience on previous vehicles going from a H-pipe to the X-pipe was that the X-pipe made the exhaust note instantly quieter. It's due to the exhaust sound pulses crashing into each other right where the X pipe meets.
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Old 05-17-2015, 01:13 AM   #17
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either buy an off road x-pipe or cat delete pipes and you will love it. I wouldn't remove the resonators but to each their own.
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Old 05-18-2015, 05:49 AM   #18
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X-pipe break in

I replaced the original exhaust system in my 2015 GT with Magna-Flow cat back. With the resonator and mufflers out of the way, the new system with X-pipe and 3" stainless steel pipes make it rumble just the way I had hoped.
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Old 05-18-2015, 09:58 AM   #19
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Granted I've got a 3.7, but when I put in the FR x pipe it made the exhaust more mellow/deeper tone. Definitely didn't add any rasp. Rasp on these cars, regardless of which motor is more removing the cats and resonators.
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Old 05-18-2015, 08:44 PM   #20
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If anything I would think they would get quieter the longer they are on. Cat delete or off road x-pipe, then you will get the sound you want.


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Old 05-18-2015, 08:46 PM   #21
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They do get quieter
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Old 05-18-2015, 10:50 PM   #22
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I have since removed the x-pipe and am attempting to sell it.
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