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post #1 of 27 Old August 16th, 2011, 12:43 PM Thread Starter
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What does an X pipe do????

I have a corsa sport axleback exhaust on my 2012 mustang gt and somone I know is selling a borla x pipe, now does it add any hp or it just sound? If its just sound how does it sound?
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post #2 of 27 Old August 16th, 2011, 03:26 PM
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Originally Posted by zim-300srt8 View Post
I have a corsa sport axleback exhaust on my 2012 mustang gt and somone I know is selling a borla x pipe, now does it add any hp or it just sound? If its just sound how does it sound?
From what ive read you will lose some low end torque but gain more HP. I have a bbk o/r x and its a little raspy but i love it. Since my car is a npi gt the power didnt really change.


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post #3 of 27 Old August 16th, 2011, 05:21 PM
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Im selling my magnaflow x-pipe with no cat's. The x pipe on our stock exhaust is the most restrictive spot of our exhaust. It's only (correct me if im wrong) 2 inches wide. The rest of our stock exhuast piping is 2.5 inches.

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0-60mph 0.5 sec. And we have liftoff!
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post #4 of 27 Old August 16th, 2011, 07:01 PM
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Originally Posted by zim-300srt8 View Post
I have a corsa sport axleback exhaust on my 2012 mustang gt and somone I know is selling a borla x pipe, now does it add any hp or it just sound? If its just sound how does it sound?
I bought a borla s-type catback and first installed just the axlebacks with my stock h-pipe and no resonators. Then I installed the borla x-pipe.

Comparison:

H-pipe: Louder, deeper, a lot of popping sounds
X-pipe: A little quieter (still pretty loud), a lot smoother, a little higher pitched (more exotic sound, but still muscular).

I recently switched back to the h-pipe to try to remember which I liked better and 2 days later went back to the x-pipe. The x makes the tone a lot smoother. I could not feel any difference (gain or loss of torque/hp) between the two.

Hope this helps.
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post #5 of 27 Old August 16th, 2011, 07:23 PM
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Any midpipe will give you more power if you remove the cats and tune for it. A noticeble amount at that.
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post #6 of 27 Old August 16th, 2011, 11:32 PM
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Originally Posted by xXFallout View Post
Im selling my magnaflow x-pipe with no cat's. The x pipe on our stock exhaust is the most restrictive spot of our exhaust. It's only (correct me if im wrong) 2 inches wide. The rest of our stock exhuast piping is 2.5 inches.
Our cars dont have an x pipe from factory. They do have an h pipe and the restriction is the cat converters. I am not 100% sure but i think that its also more than 2 inches diamiter.

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post #7 of 27 Old August 16th, 2011, 11:34 PM
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The exhaust goes from 2.25 up to 2.75 inches through out.


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post #8 of 27 Old August 17th, 2011, 02:20 PM Thread Starter
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borla x pipe replaces the pipe with cats correct? So theres no cats?
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post #9 of 27 Old August 17th, 2011, 02:32 PM
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An x-pipe helps exhaust scavenging by crossing the pipes together. They typically produce the best power, (over an H-pipe) but also have a raspier sound. H-pipe is a little deeper.

An x-pipe can be mounted after the cats so you can retain the catalytic converters, or you can delete the cats. That's a separate choice, dependent on if you start putting headers on the car.

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Last edited by Nasty; August 24th, 2011 at 03:46 AM. Reason: Learn how to Multi Quote!
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post #10 of 27 Old August 17th, 2011, 04:56 PM
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Quote:
Originally Posted by manolith View Post
Our cars dont have an x pipe from factory. They do have an h pipe and the restriction is the cat converters. I am not 100% sure but i think that its also more than 2 inches diamiter.
Yeah I was thinking about some thing eles. Some one slap me. Ive been drinking to much the last 3 day's

From here to infirmary......

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Originally Posted by Marc View Post
0-60mph 0.5 sec. And we have liftoff!

Last edited by xXFallout; August 17th, 2011 at 05:23 PM.
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post #11 of 27 Old August 17th, 2011, 11:04 PM
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I will have a BBK after-cat X-pipe for sale shortly. I'm going to full long tubes w/ the 3" off road x.

As for the sound...which is the only difference I noticed, I'll get a vid up on my youtube with my current exhaust setup. Cats are hollow, no mufflers, just the bbk x and stock resonators. The sound is SOOOOOO much cleaner and much much smoother than the H. That and the stock changes in piping size drove me nuts. To go from 2.75 down to whatever it is, 2.5 or 2.25, then back up to 2.75 is just plain DUMB! PM if anyone is interested in the x...$120 shipped is all I'm going to be asking for it.


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post #12 of 27 Old August 18th, 2011, 04:25 PM
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Originally Posted by zim-300srt8 View Post
borla x pipe replaces the pipe with cats correct? So theres no cats?
The borla x-pipe attaches behind the catalytic converters (exactly where the h-pipe connects) so you will retain your converters with this x-pipe.
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post #13 of 27 Old August 19th, 2011, 04:25 PM Thread Starter
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I dont know what to do I need some advice!! I absolutely love the sound of my corsa sport axleback but I wouldnt mind if it was a tad louder and a little more crackle, I dont really want to delete the cats unless I really need to. What should I do!
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post #14 of 27 Old August 19th, 2011, 05:46 PM
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My 06 came with Corsa Sports. I added a Magnaflow catted x and my car screams now! I love it and didn't notice any loss of low end power. Austin accurately described the sound.
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post #15 of 27 Old August 22nd, 2011, 06:27 PM Thread Starter
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So most people say an X pipe is better? Is better to have a custom exhaust shop make one?
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post #16 of 27 Old August 22nd, 2011, 06:36 PM
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No. Just buy one.
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post #17 of 27 Old August 23rd, 2011, 12:58 PM
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Quote:
Originally Posted by zim-300srt8 View Post
So most people say an X pipe is better? Is better to have a custom exhaust shop make one?
You pay a heck of a lot more by having an exhaust shop make a custom X. Just buy one already made, and have it installed.
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post #18 of 27 Old August 23rd, 2011, 07:11 PM
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Originally Posted by zim-300srt8 View Post
So most people say an X pipe is better? Is better to have a custom exhaust shop make one?
Definitely buy one...they are direct bolt on. I LOVED the h-pipe on a 99-04 GT...really made the car sound good, but these 5.0s just are too rough and poppy sounding with h-pipes when paired with some mufflers. The x-pipe just smooths it out and makes most of them sound so much better.

A little tip if you install the x-pipe yourself...easy to do on ramps or jack stands...however mine did not line up exactly. Once I loosened the bolts that holds the cats on, you can move the pipe a little to line them up and then just tighten them all down.
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post #19 of 27 Old August 23rd, 2011, 07:45 PM Thread Starter
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Anyone have a barton short shifter, x pipe and bmr springs for sale?
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post #20 of 27 Old August 24th, 2011, 03:46 AM
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You pay a heck of a lot more by having an exhaust shop make a custom X. Just buy one already made, and have it installed.
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