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Pypes Off-Road X-Pipe (05-10 GT)

100+ Reviews
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  • Item #20010
  • MPN# XFM23

  • Market Price $221.99
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Product Videos Customer Photos
  • Balance Out Exhaust Gases for More Power
  • Raspy Race Car Growl
  • Pypes Modular Construction
  • For Off-Road, Track Use
  • 2.5" 409 Stainless Steel Tubing
  • Fits 2005-2010 GT Mustangs
Balances Exhaust Gases. The Pypes Off Road X-Pipe is excellent when it comes to balancing out the gas pressures in your exhaust system. This Pypes off road x-pipe creates more power and torque than a traditional H-pipe. Why? Because the exiting exhaust pulses are merged at the "X", resulting in less exhaust back pressure for more power.

Race Car Growl. This free flowing Pypes x-pipe for the 2005 to 2010 GT's not only increases power, but it also adds a raspy, race car growl to the sound of your exhaust with its modern "X" crossover pipe design.

Modular Construction. Pypes unique three piece modular construction makes it quick and easy to add or remove catalytic converters to your exhaust system in just minutes, depending on your driving needs.

Durable Stainless Steel Construction. Pypes uses sturdy 16 gauge 409 stainless steel mandrel bent 2.5" tubing for improved exhaust flow and features welded reinforcement plates for additional strength.

Application. This Pypes Off-Road X-pipe is designed to be a direct bolt-on for the 2005 to 2010 4.6L GT Mustangs with either aftermarket short tube headers or the factory manifolds and a dual catback exhaust installed. Intended for off-road, track use only, does not include catalytic converters.

Fitment: 2005 2006 2007 2008 2009 2010 Details

What's in the Box
Hardware included:
  • (2) 2.5" clamps
Installation Info
Tech Specs
Mid Pipe Specifications
Style Mid Pipe: Standard length "X" Type Headers Required: Stock Manifolds or Shorty
Piping Material: 409 Stainless Steel Piping Size: 2.5"
Catalytic Converter: "No" - For off-road use only Fitment: 2005-2010 GT Mustangs
Will it fit my Mustang?
  • Bullitt - 08, 09
  • GT - 05, 06, 07, 08, 09, 10

Most Helpful Reviews

The neighbors will hate you

Easy install on my 07 GT. Only concern was the fit. Had to tweak the passenger side to fit properly onto the stock exhast manifold. But its an aftermarket part and if you've ever dont any other bolt-on ...

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Helpful (3)


Due to the rusted bolts i had on my cats, I had an exhaust shop put these on for $90. Right as I left the lot, I couldn't quit smiling. These paired up with flowmaster outlaws makes a perfect combo! Kinda ...

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Helpful (1)

Overall Rating 4.7 out of 5 stars
Read All 100+ Reviews

Review & Install Video

Hey everyone, Justin with, and this is our PowerPack Bolt-on build up for all 05-09 Mustang GTs. The goal of this Power Pack is to take our stock 07 GT, and combine it with some of our most popular performance bolt ons. The result will be twofold, we’re going to add more horsepower and torque at the rear wheels, while really cranking up the volume on our 4.6L to make our GT sound as tough as it looks. Currently, our 2007 GT is bone-stock performance wise, so let’s get it outside and hear how that stock exhaust sounds, and then get it back on the dyno to get some baseline numbers down. So our stock dyno run gave us 259 horsepower, and 289 ft/lbs of torque. Alright, now that we’ve got some baseline numbers from our 07 GT, we’re going to talk to Mike Wilson, our lead calibrator from Bama performance, to walk us through some of the mods we’re going to do today. Mike, what have you got up first for us? Mike: Well, first we’re going to install this Airaid race cold air intake which is a great first mod, it’s going to increase air flow, give us a big gain in horsepower and torque, and has a really easy install. Justin: Alright Mike, I know with some cold air intake systems you need a tune, sometimes you don’t, what’s up with this Airaid? Mike: The Airaid Race cold air intake does require a tune, because of that, we’re going to install a Bama performance 93 octane race tune, which is going to increase our horsepower and torque by adjusting the spark curves, fuel map, the drive by wire calibration, really improves the horsepower and torque. Justin: That’s awesome man, I know in addition to that we’re also going to throw in a Pypes off road X-pipe, and also a Pypes axleback system as well, what can we expect from that? Mike: That’s also going to free up the exhaust flow which is going to give us more horsepower and torque, and it’s going to sound incredible compared to your stock exhaust. Justin: Our second dyno run with all the performance parts installed on our 2007 GT gave us 293 horsepower, and 309 ft/lbs of torque, making for a peak gain of 35 horsepower, and gains of 36 horsepower and 29 ft/lbs of torque throughout the curve. Alright Mike, that’s awesome, what do you think of the results? Mike: exactly what I expected. We’re putting the cold air kit on, the exhaust, and wrapping it all up with a custom tune, we’re definitely going to feel a big difference in the street. Justin: Awesome. Well, with that said, we’re going to get our 07 GT back on the streets, because I’m dying to hear how this Pypes combination is going to sound versus our stock exhaust so thanks again, Mike. Mike: Any time. Justin: Now that we have our 07 GT out on the road we finally get to see these mods in action and I’ve got to tell you they’re really doing their job. Our GT just pulls so much harder on the upper RPM range, which means our car is breathing a whole heck of a lot easier. The best part is, they installed easily in about 2 hours, with simple hand tools and a few floor jacks. Be sure to check out our other 05-09 Mustang GT bolt on build ups, where we work on our appearance, help get our GT off the line, and make it handle a little better.

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26 Questions / 14 Answers

Ask a Question

will this x pipe turn on my cheack engine light since it has no cats, and if it does how do I fix that?


  • Yes, this will turn your check engine light on. You need to buy a tuner from Bama. It is well worth it!


    Good Answer (0) (0)

Show 2 more answers Question Resolved

Roush Exhaust I have a 2007 Roush with the Roush exhaust installed to match the rear valance openings, square exhaust tips. Will this X-pipe work so that I will retain the Roush mufflers and tips? I noticed in the picture that the outlet ends of this pipe have flanged connectors, the connectors to my over axle pipes look to be slip fit? Is there something extra I would need to use this pipe? Would I be better off using the H-pipe instead? It looked to have slip fit connectors on the outlet end.


  • Yes, you will be fine. The only thing it replaces is your cats. Thats why its "off road" its basically like cat delete. every thing after your x pipe already will still remain the same. Some people prefer x pipes for its more aggressive tone and extra performance. The fit is all gonna be similar in the end. An off road H pipe wouldn't be a bad deal though. This one would be more aggressive sounding. And you'd get better performance.


    Good Answer (0) (0)

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back pressure I have pype bomb axleback on my car if I was to change my mid pipe to a catless one would I not have enough back pressure and actually loose hp? Should I maybe get a chamber h pipe instead.


  • I run these pipes, with violator mufflers and I have no problems at all


    Good Answer (1) (0)

Show 2 more answers Question Resolved

Would running this xpipe with out a tune be harmful to the car? Or is it just recommended to reach the full potential out of the mod?


  • You can safely run your Mustang without a tune when installing this O/R x-pipe. However without a tune, you will have a CEL due to removing your catalytic converters and as you said, you won't see the full advantage of this upgrade. Hope this helps!


    Good Answer (8) (0)

Show 2 more answers Question Resolved

Will it line up with different mufflers? I have '07 GT. I already have Ford Racing exhaust. Will this mid-pipe line up? Or would I have to modify it? Thanks.


Show 1 more answer Answer This Question I need this answered (0) (0)

axle-back? Will this work with Pypes Pype-Bomb Axle-Back Exhaust? Or do I need to buy a catback.


  • This will bolt straight up to your factory over axle pipes. No need to buy the catback, youll have one wicked sounding GT!


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Customer Reviews (100+) Write a Review

Overall Rating 4.7

out of 5 stars

Installation Time:Afternoon

Installation Cost:0-$100

  • Loudness / Volume 4.904109 4.9
  • Exhaust Note 4.547945 4.5
  • Fit & Finish 4.595891 4.6
  • Bang For Your Buck 4.780822 4.8

  • 5/5

    Installation Time: Less than 1 Hour

    September 21, 2016


    I installed the pypes O/R x pipe on my whipple charged 4.6L 2006 GT using a buddy's car lift. Took the 2 of us around 45 mins to swap it out. 15 mins of which went in figuring out how to get the car on the lift because it is lowered 2 inches. 2x4's came to the rescue. Anyway, getting back to the point, we used air tools to get all the nuts/bolts off and even the removal of the stock H pipe went smoothly (which I hadn't expected). Make sure you have a long pipe that is wide enough to fit the back of a wider sized wrench that you will need to remove the O2 sensors. Also a swivel joint and an extension WILL be required to reach the flange bolt from around the cats. The new exhaust set-up: Stock exhaust manifold, Pypes O/R x-pipe, magnaflow over-axle pipes, flowmaster outlaw axle backs.= Absolute Insanity. Warning = This set up is extremely loud and think twice before purchasing this mod if your stang is a daily driver. You might get some hearing loss otherwise lol. I am running this set up without a tune for now. I have the whipple tune installed. I will eventually get it dyno tuned.


    Year: 2006 Submodel: GT

    Helpful (1) (0)

  • 5/5

    Installation Time: Afternoon

    September 18, 2016

    Super loud

    Impressed with the quality of the Pypes O/R X pipe. But, paired with Ford Racing headers and SLP loudmouths it was not only LOUD but sounded too raspy. When accellerating it sounded like a truck engine breaking. Put my JBA axle back mufflers back on and the sound quality improved greatly. The X pipe fit perfectly. Just watch what you pair it with!


    Year: 2007 Submodel: GT

    Helpful (1) (0)

  • 4/5

    August 10, 2016


    Let's be honest upfront: LOUD. It's loud and from about 2500-3500rpms it has an incredible raspy growl. There's some vibration under the passenger side but I may just need to tighten some things back up. I would highly recommend a tune otherwise you'll be burning rich and you can smell it even In the cab sometimes.


    Year: 2009 Submodel: GT

    Helpful (1) (0)

  • 5/5

    August 06, 2016

    great sound

    Love the new x pipe set up with chambered mufflers. Took a few days to break in but once it does it sounds amazing!! Would recommend this product.


    Year: 2005 Submodel: GT

    Helpful (1) (0)

  • 5/5

    Installation Time: Afternoon

    June 22, 2016


    Due to the rusted bolts i had on my cats, I had an exhaust shop put these on for $90. Right as I left the lot, I couldn't quit smiling. These paired up with flowmaster outlaws makes a perfect combo! Kinda raspy but I love it. ITS INSANELY LOUD.


    Year: 2010 Submodel: GT

    Helpful (1) (0)

  • 5/5

    Installation Time: Afternoon

    December 22, 2013

    Holy cow!!

    Jesus Christ! You hate your neighbors? Buy this. I don't think you'd need to spend $400 for an X-pipe since Pypes honestly makes some of the best ones around. The hardest part of the install is removing the stock H-pipe. I don't have a tuner but I can feel it pick up speed faster since it isn't restrictive and it weighs 20lbs lighter. Then comes the sound. The raspy, glorious sound. This isn't for the faint of heart. You don't buy this if you want a cool sounding daily driver. You get this X-pipe because you want to be the badass on the block. Thanks AM!


    Year: 2005 Submodel: GT

    Helpful (3) (0)

  • 4/5

    Installation Time: Less than 1 Hour

    June 09, 2013

    Love it!

    Installed an intake/ tuner combo and my car seemed a little quicker, but after installing the X-pipe it was a whole different pull. WAY more mid-range and high-end power. My 2010 GT made 314whp/ 331tq with intake/tune/OR-X/ stock axle backs. Since then I've added Bassani Race AB and it sounds absolutely evil with the X-pipe. If you love raspy sounding exhaust I highly recommend this x-pipe.


    Year: 2010 Submodel: GT McKinney, TX

    Helpful (2) (0)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    May 25, 2013

    Pypes off-road X-pipe on 2006 Mustang GT

    This product is great! Will need to tune for full benefit. If you really love your neighbors you WILL have to be easy on the throttle. Especially if you have headers and some aftermarket axlebacks. But I would let that stop you. No regrets whatsoever.


    Year: 2006 Submodel: GT Cottage Grove, MN, USA

    Helpful (3) (0)

  • 5/5

    June 27, 2010

    The neighbors will hate you

    Easy install on my 07 GT. Only concern was the fit. Had to tweak the passenger side to fit properly onto the stock exhast manifold. But its an aftermarket part and if you've ever dont any other bolt-on goodness, you know that tweaking is normal. Was going to run it with no mufflers. But, It was go to jail loud. I put the stock mufflers back on, but it sounded exactly like flowmasters and every other mustang out there, not what I was looking for. So now the set up is the o/r x-pipe with cherry bomb glasspacks and I absolutely love it! Couldn't be happier. I don't experience the raspiness normally associated with x-pipes. The car absolutely screams at about 3k rpm, and there's no roar at highway speed. Has that old muscle car sound at idle. You will draw attention to yourself, everybody stares. I have yet to have any problems with the cops, and I've been running this setup for about a month and a half now. NOTE: Check engine light will come on, that is a given due to removing the cats (common sense really) Simply purchase a CAI/programmer package from AM and problem solved. And plus its a hell of a deal. I'd roughly say a 30+hp gain with the exhaust, CAI and programmer. Not bad for under $800. My father even likes the sound. And he's a tough man to please. He even jacked my car keys and took the Stang for a joy ride he liked it so much!


    Year: 2007 Submodel: GT

    Helpful (3) (0)

  • 5/5

    October 14, 2009

    Raspy Loud

    This X-Pipe alone is very raspy around 2200 - 2500 RPM. Install the high flow cats with this X-Pipe to get rid of the raspy sound. I coupled this X-Pipe with the high flow cats, Ford Racing headers, and 40 series Flow Master Mufflers. The setup produced a very clean rumble and the horsepower increase is noticeable.


    Helpful (1) (0)

  • 4/5

    July 21, 2009

    super loud

    love the x pipes but they are super super loud to loud i think i need to go back to my stock mufflers


    Helpful (1) (0)

  • 4/5

    July 01, 2009

    Big block??

    Great product, loud loud loud. Had Flowmasters on prior and had to go back to my stock mufflers to stay out of trouble. You can really fool some people with this set-up, it really sounds like you have a big block under the hood. Great raspy old school muscle sound and good gains in mid and top end power.

    Adam C

    Helpful (1) (0)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    June 09, 2012


    WOW. Bought from AM and pipe came in the mail about a week later. INSTALLATION: Had a shop install it, they said the install went great but they had to alter the pipe a tiny bit (bore a hole 1mm wider) to fit the passenger side O2 sensor in it, and that it was a bit of a reach. Not a problem though! Took 45mins to install with one mechanic doing it. Cost me 124 bucks at a high-end muffler shop. Before reading on, consider that I have Pypes Violator axlebacks. They're chambered mufflers, but they're high flow and loud. Not quite straight pipes, but close. Not as loud or raw as Pypes Bomb. LOUDNESS: This is LOUD! driving home from the shop I was scared to even let it above 2000RPM! Immediately turned heads everywhere I went. This is LOUDDD. You can creep quietly through a neighborhood if you have to, but if you need to accelerate.. game over.. haha.. Idle past cops. EXHAUST NOTE: Takes a bit of getting used to! After the drive home from the shop I sort of felt like I rap]ed my GT. This innocent pony was now snarling, screaming and growling as if it's mad at me... wasn't sure I loved it until I did some driving later that night...I fell in love with the sound. It's a challenge keeping the car quiet driving downtown and in neighborhoods, but I love doing it (saves me gas too, up 2 MPG). As soon as you add power, the raspy sound will come out at any RPM range. with full power, the entire band is LOUD and it opens up at about 2000, from 2000 to 3500 it gets a bit raspy, but as soon as you get it over 3500 it turns into a beautiful smooth tuned race sound. I love merging onto roads and watching other drivers faces when they hear it.. Oh, and when you start it up the hairs on the back of your neck will stand up. The sound itself is raw and raspy... but not in a bad way.. you can almost hear each cylinder fire, and it seems that having virtually the same flow out of each pipe allows this. If you don't love it at first, you will learn to love it. Goes very well with my violators. POWER: I don't even have a tune for it yet (waiting for tuner in mail) but the car breathes so much better above 4000. It reaches redline much faster. Definitely feel the horses. Pipe makes it sound like im packing 700 of em, too. BANG FOR YOUR BUCK: Absolutely. Everywhere you go, your car will turn heads. Floor it, and everyone in the town will be looking for the source of that great noise. Puts Lambos and Ferraris to shame ;) Girls love it, too. Also note that without the catalytic converters, your exhaust is quite a bit more smelly, and you'll often catch a sniff of it at a light or cruising windows down. Warning: This is loud. Scary loud and agressive. If you don't want your Mustang to sound like a 700hp race car, don't buy it. I hope this review helped! Thanks AM, you guys are the best.


    Year: 2005 Submodel: GT Florida, USA

    Helpful (48) (0)

  • 5/5

    Installation Time: Less than 1 Hour

    October 05, 2011

    Raspy Noise!

    If you don't like the raspy sound, DONOT buy this product. If you do, this is Great product! I didn't like the sound when they were first installed but after acouple hundred miles, they sound great. Awesome product.


    Year: 2008 Submodel: GT Coral Springs, FL

    Helpful (4) (1)

  • 5/5

    March 29, 2008

    Great sound

    This is a great x-pipe if you want to be on your neighbors shit list. This system sounds great, especially with chambered mufflers. If you have a straight through pipe (SLP power-flo, SLP loudmouth), you will pretty much be able to wake the dead with this system. It makes your car sound great, and you will notice a horsepower increase in mid range speeds!


    Helpful (25) (1)

  • 5/5

    July 14, 2010

    Loud and Fast!

    I just got these installed recently, easy install and man is it LOUD!!! Paired with the Pypes Violator Mufflers, it truly is an awesome sound. Goes faster too, i can definitely feel more the extra Horses. Lol cops liked it too. Only thing is the check engine light due to two trouble from the fact that the O2 sensors picked up more emissions cause of no cats. programmer fixes that easily. It's great, you feel your hairs stand and a nice chill go down your spine when you start it.


    Helpful (19) (2)

  • 5/5

    June 28, 2010


    Great product, easy install. Sounds great and noticable difference in power. Actually got a thumbs up from a cop. Thanks to AM and their staff.


    Helpful (13) (0)

  • 4/5

    April 11, 2008

    Good Start

    The pipe sounds good, brings out that \"Mustang sound\". At first I didnt like it, but its growing on me. Will definitely require at least an axle-back to complete the sound. NOTE: When installing this, you will have to remove the battery and battery tray to access the top manifold flange bolt on the passenger side. After you remove the battery and tray, also disconnect the wiring harness for the front O2 sensor as you will have to drop it with the stock H-pipe. These little hints are not in the instructions.


    Helpful (13) (2)

  • 5/5

    August 11, 2011

    Pypes off road X-pipe

    Lets start off by saying i got this part in a day and a half. what great service. Thanks AM!! Now about the product. It came nicely packaged and with instructions and stickers. looked great in the box and was pleased with the quality and price of the x-pipe. install wasn't hard if you have some experience. the hardest part was the removal of the old cats and h-pipe. After that install went great. Fits like a glove and had no problems installing. After the race tune from BAMA was installed the first start up was shocking!! This x-pipe was installed with the factory headers and Pypes Pype-Bomb axle backs. What an awesome sound if you like old school muscle car sound. It's just like a race car. Its a little raspy when the system is cold but sounds great when it warms up!! I turn heads every where I go now. As someone else said on here( Its Wake The Dead Loud). Thanks AM and BAMA!! And Thanks to PYPES for a great product at a great price!!


    Year: 2005 Submodel: GT

    Helpful (8) (0)

  • 5/5

    March 24, 2011

    Very Loud

    This x-pipe is extremely loud, worth ever penny. Your neighbors will just love you in the morning when you crank up your mustang. Great product, I would highly recommend this along with the Pypes muffler delete set up. I have them both on my 05 GT and let me tell you I turn heads every where I go. I've had cops pull me just to hear me rev up, chicks love it, and those guys with the classic stangs out there show me much respect.....its a beast let me tell you. Pics coming soon, I've been a customer of AM for 5 years now, they got me for life.


    Year: 2005 Submodel: GT

    Helpful (14) (4)

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