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Old 03-29-2019, 01:31 PM   #1
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Exclamation Xpipe Install after cats possible?

Hi all,



I was wonder if it was possible to install the 14421 Corsa Xpipe without the cat deletes.

https://www.cjponyparts.com/corsa-x-...-2014/p/XP138/


The package comes with 5 pieces and I wanted to install just 3 of the 5. Circled in red


Those 3 Pieces including the x pipe itself would look somewhat like this




Repeating my question, would just those pieces in the last follow fit right up to the factory catalytic converters? Or would I have to install the cat delete pipe included?


I can not install cat deletes at the moment due to Maryland laws so I was just wondering if I could take this route instead.
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Old 03-29-2019, 10:30 PM   #2
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I'm pretty sure that if you take that box of exhaust parts to any competent exhaust shop, they will be able to weld that X crossover into your existing exhaust system without much trouble.
An exhaust shop could also likely order just the X crossover from one of the many exhaust parts vendors, and you could keep that aftermarket off road exhaust system intact for use in the future.
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Old 03-30-2019, 09:13 AM   #3
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I'm pretty sure that if you take that box of exhaust parts to any competent exhaust shop, they will be able to weld that X crossover into your existing exhaust system without much trouble.
An exhaust shop could also likely order just the X crossover from one of the many exhaust parts vendors, and you could keep that aftermarket off road exhaust system intact for use in the future.
How would installing an x-pipe change the tone of the stock exhaust on a 2015 GT? I want something that would make it 10 to 15% louder but retain the around-town mildness and NO DRONE on the highway....none!
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Old 03-30-2019, 09:24 AM   #4
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How would installing an x-pipe change the tone of the stock exhaust on a 2015 GT? I want something that would make it 10 to 15% louder but retain the around-town mildness and NO DRONE on the highway....none!
Would prob look into getting a pair of axle-backs first before making changes to midpipe
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Old 03-30-2019, 10:08 AM   #5
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Would prob look into getting a pair of axle-backs first before making changes to midpipe
A competent exhaust place could probably cobble up an x-pipe and install it for a fraction of the cost of a complete axle back setup....I was just wondering what effect an “X” might have to the rest of the system. I LOVE the sound of the stock exhaust when being whipped hard, but it’s too quiet the rest of the time.
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Old 03-30-2019, 11:18 AM   #6
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How would installing an x-pipe change the tone of the stock exhaust on a 2015 GT? I want something that would make it 10 to 15% louder but retain the around-town mildness and NO DRONE on the highway....none!
An X-type of crossover generally provides a louder, more raspy exhaust note. It takes away from the classic muscle car tone that is associated with an H-crossover.
I agree with the OP, I would start with the axle-back before messing around with the mid-pipe.
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Old 03-30-2019, 11:34 AM   #7
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Would prob look into getting a pair of axle-backs first before making changes to midpipe
I presume that you are looking specifically for the X-pipe sound or you would be following your own advice.
I honestly don't know if that mid-pipe will fit the stock exhaust without using the cat deletes. It very well might.
Corsa would probably know the answer to that question. Or, if you have the mid-pipe in your possession, you could climb underneath the car, and try to match parts to see if they will fit/match up to the existing exhaust.
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Old 03-30-2019, 02:43 PM   #8
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I presume that you are looking specifically for the X-pipe sound or you would be following your own advice.
I honestly don't know if that mid-pipe will fit the stock exhaust without using the cat deletes. It very well might.
Corsa would probably know the answer to that question. Or, if you have the mid-pipe in your possession, you could climb underneath the car, and try to match parts to see if they will fit/match up to the existing exhaust.

Yeah I have the Corsa Extremes. Was looking to change out my x pipe as well but realized too late that I bought the wrong x pipe. (But I do intend to go cat less when I move so I saved the package)



I've sent Corsa a email already but they are taking a bit to respond.



I will try to line up the x pipe in the following week whenever I get a chance to.



Another quick question, if Im installing this x pipe and not replacing or deleting the factory cats, do I still need a tune?
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Old 03-30-2019, 02:57 PM   #9
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Nope. A tune will not be necessary.
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Old 03-31-2019, 12:05 PM   #10
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Originally Posted by Guard 5.0 View Post
How would installing an x-pipe change the tone of the stock exhaust on a 2015 GT? I want something that would make it 10 to 15% louder but retain the around-town mildness and NO DRONE on the highway....none!
I replaced the OEM resonator with a Ford Performance X-pipe. There is a noticeable sound increase. There is at least one YouTube video that will give you a taste.

I then added the Ford Performance Borla Touring axle back mufflers, because I needed more sound. It's a perfect balance, IMHO. Louder but not too loud. Zero drone too.

Because we have convertibles the exhaust sound will be louder.
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Old 04-01-2019, 01:31 PM   #11
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Yeah you can install it without the catless section but there will be cutting and (or) welding of the oem cats flange which i would not advice.
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Old 04-04-2019, 10:58 PM   #12
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I installed Pype-bomb axle-backs on my '11 GT, which produced a gnarly note. Then installed an X-pipe, and it mellowed the edges, keeping the depth of the sound. Factory headers. All bolted right in, in my driveway. I did have to replace all the bolts with stainless, though.

Alex
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