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Pypes Polished Long Tube Headers (05-10 GT)

23 Reviews
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  • Item #20100
  • MPN# HDR55S

  • Market Price $621.99
  • You Save 9% ($57.00)
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Product Videos Customer Photos
  • Increases Horsepower and Torque
  • Long Tube Header Design
  • Free Flowing Mandrel-Bent Tubing
  • 304 Polished Stainless Steel Construction
  • Fits 2005-2010 GT Mustangs
Increase horsepower and torque. A set of Pypes V8 Long Tube headers will greatly improve your S197 Mustangs exhaust flow over the restrictive factory manifolds and will increase your pony's horsepower and torque for better throttle response.

Quality Construction. Pypes Long Tube Exhaust headers are constructed from free flowing CNC mandrel-bent 1-5/8" 304 stainless steel tubing and are then completed in a bright polished finish for great looks and long life.

Recommended Upgrade. To realize the full power potential that these Long Tube Headers have to offer, AmericanMuscle recommends a custom tune with a Mustang Handheld Tuner to reprogram the vehicles computer (ECU) for proper operation.

Application. Designed to fit the 2005-2010 GT Mustangs. These Pypes Long Tube headers will require the use of Pypes shorty style X-pipe or H-pipe for proper installation on your 2005-2010 Mustang GT.

Technical Note. Not legal for use on pollution controlled motor vehicles; intended for off road use only. Both header bolts and gaskets are included for this item. These Pypes Long Tube headers reuse the factory header bolts and will require new gaskets.

Fitment: 2005 2006 2007 2008 2009 2010 Details

What's in the Box
  • (1) Driver Side Header
  • (1) Passenger Side Header
  • (2) Gaskets
  • (1) O2 Sensor Extension
  • Hardware
  • Installation Info
    Tech Specs
    Header Specifications
    Header Type: Long Tube Finish : 304 Stainless steel
    Type Mid Pipe Required: X-pipe or H-pipe Fitment: 2005-2010 GT
    Will it fit my Mustang?
    • Bullitt - 08, 09
    • GT - 05, 06, 07, 08, 09, 10

    Most Helpful Reviews

    Holly loud

    Wow there loud and look great under the hood. Install was a headache but someone with some mechanical ability should be able to get it done. Do one side at a time and remove the motor mount on the side ...

    Read More
    Helpful (1)

    Best value for performance, fit & finish

    I decided to buy these headers after a lot of research and after talking with several S197 GT owners that had many different brands of headers installed on their cars. Let me just say the fit, performance ...

    Read More
    Helpful (13)

    Overall Rating 5 out of 5 stars
    Read All 23 Reviews

    Review & Install Video

    I’m Justin with, and I’m taking a closer look at Pypes polished long tube headers for the 2005-2010 Mustang GT. These headers have been getting some very positive reviews here on the site thanks to their performance, and quality of fit and finish so let’s break them down. Long tube headers are designed to completely replace your factory exhaust manifolds which really restrict your exhaust flow. Basically by installing a set of long tubes you’re going to see an increase of horsepower and torque at the rear wheels. The first thing you’ll notice is that the headers are made from 304 grade stainless steel and feature mandrel bent tubing throughout to really increase that exhaust flow. Now one thing I took note of immediately was the quality of the TIG welds, you’ll find great penetration at both the header flange, and the collector which means the quality of the welds are going to be very good and very strong to prevent cracking in the future. Sometimes on lesser quality headers the welds can be poor, resulting in premature wear and cracking. Another thing which gets a big thumbs up from me is that all the welds on the inside of the header have been smoothed out to reduce turbulence and increase air flow, even down to this massive collector which has been smoothed out as well. Not only will that polished stainless steel look great under the hood, but it’s also going to resist corrosion so these headers remain looking good for years to come, especially when they get the chance to heat cycle a few times when that silver turns into a very cool copper color. This is a pretty intense install here guys so if you don’t have the mechanical know how to tackle the job, then I would recommend taking it to your local ‘shop so they can install these headers properly. However if you’re confident enough to tackle the job, I would definitely leave yourself a full day to get the job done properly. A big thing to point out when installing these Pypes long tube headers, is that you’re going to need the Pypes Off-road H or X pipe, to get everything bolted up properly. That’s because the dimensions of these aftermarket long tube headers are different to your factory meaning they’re not going to bolt up to your stock mid pipe, or even an aftermarket regular length mid pipe, and that is why you need the shorty H or X pipe to make these headers work correctly. What you can expect when using Pypes polished long tube headers is a noticeable power gain over your factory exhaust manifold or even a shorty setup as well. You’re also going to see increased throttle response, and a slightly more aggressive exhaust note, especially if you decide to go with one of those off-road H or X pipes. Check them out today at

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    5 Questions / 2 Answers

    Ask a Question

    O2 Extension Kit Do i need to buy an O2 Extension kit with these headers and o/r x pipe?


    • No, this kit comes with the O2 extension kit as well as gaskets and the necessary hardware.


      Good Answer (0) (0)

    Answer This Question I need this answered (0) (0)

    Do i need Pypes high flow cats? I am thinking about purchasing these headers for my 2008 mustang GT with the H-pipe. I was wondering if I will need to also purchase the Pypes high flow Cats to go along with these or not?


    Answer This Question I need this answered (0) (0)

    I'm considering getting these Headers but I am wondering if they will fit with the Pypes Off-Road H-Pipe and with my current Ford Racing axle back exhausts. I just want that classic Muscle Car exhaust note and I understand H-Pipes are the way to go. The horsepower gains from the full exhaust setup is just a bonus. Any feedback appreciated.


    • Not really a direct fit at all but maybe could be modified to work


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    Customer Reviews (23) Write a Review

    Overall Rating 5.0

    out of 5 stars

    • 5/5

      Installation Time: Weekend

      March 31, 2016

      Holly loud

      Wow there loud and look great under the hood. Install was a headache but someone with some mechanical ability should be able to get it done. Do one side at a time and remove the motor mount on the side your working on then jack the engine up as high as you can. Took me a few days just doing it after work. 100 worth it


      Year: 2007 Model: GT Driving Style: Street / Strip 'Stangs I have owned: 1

      Helpful (1) (0)

    • 5/5

      Installation Time: Weekend

      December 08, 2011

      Best value for performance, fit & finish

      I decided to buy these headers after a lot of research and after talking with several S197 GT owners that had many different brands of headers installed on their cars. Let me just say the fit, performance and sound of these Pypes long tubes is just flat out incredible. The install went well and as far as the installation, well, they're headers. What do you expect? If you've never done this before, find someone who has to help you or pay a shop to do it. The driver side was the most challenging, what with the steering shaft & column being required to be repositioned out of the way and the configuration of the tubes. Passenger side went in very easily, with plenty of clearance on both sides. Finished off the install with the matching Pypes shorty off-road X. Initially, I had series 40 Flowmasters on the car with the cats. It was a little too obnoxious-loud for me, so I changed those out for a set of manual GT stock mufflers. MUCH better & NO drone. All my buddies loved the no-cat/Flowmaster combo, but they didn't have to live with it! I have the FRPP hot rod cams & the headers really enhance the sound of the cams as well as the performance. If you want awesome performance, perfect fit & great looks, look no further than these headers. You won't be disappointed.


      Year: 2007 Model: GT Driving Style: Street / Strip 'Stangs I have owned: 2 Florida

      Helpful (13) (0)

    • 5/5

      March 31, 2011

      Three tenths faster!

      I ran my 2010 mustang GT stock and ran a nine flat in the eight mile. After the Pypes Long tube polished headers install I ran the eight mile at 8.7 at a much higher altitude track. The headers made me more than thirty horsepower on an otherwise stock Mustang. The headers have been installed now for almost a year and they still look great! They were somewhat difficult to install but the sound and power difference definitely made it worthwhile.


      Year: 2010 Model: GT Driving Style: Street / Strip

      Helpful (4) (0)

    • 5/5

      Installation Time: Weekend

      January 27, 2012

      Finally did it

      Man after researching for about two months and reading about other peoples reviews on these, I made the right choice!!!! They look awesome under the hood, give you some umph, and sound good with the additional o/r x pipe!!!! Defininatly a job to install though.....overall these headers are awesome...just what I was looking for


      Year: 2008 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1 Fort worth TX

      Helpful (2) (0)

    • 5/5

      March 31, 2011

      Pypes LT Headers O/R X and Borla Stingers

      I love these Headers had them on my car for about 3 Months now and have had ZERO Problems with them. The install was easy with simple hand tools it just took some time about 8 hours with a friends and myself. The best thing about these Headers is the price. For the person looking for great looks and great power but don't to spend $1200.00 for Kooks this is your best bet and i'm glad i went with them. Paired with off road X Pipe and Borla Stingers the sound is LOUD when you hit the gas and as for going down the Hwy at 70-80 there isn't a lot of drone. So if your in the market for some Long Tube Headers and don't have they cash or want to spend 1200.00 for KOOKS this is your best bet.

      Kyle Macomber

      Year: 2007 Model: GT Driving Style: Street / Strip

      Helpful (2) (0)

    • 5/5

      May 20, 2010

      awsome product awsome sound

      your pipes polshed 304 stainless stell long tube headers looks nice i have a 09 mustang gt and i put these headers on with the slp loudmouth axle-back exhaust system and the sound awsome if your kooking for that muscle car sound then this is it for you!!!!


      Year: 2009 Model: GT

      Helpful (6) (3)

    • 5/5

      June 20, 2010


      Great sound and quality. Expect to spend some time putting them on, allow yourself at least four hours to install them. I used the headers with the off road x pipe and kept my stock mufflers and you can feel the power increase. I will post a review after I take it to the dyno and get some numbers.

      Rick T. 2010 GT

      Helpful (4) (2)

    • 5/5

      April 27, 2011

      Quality product with excellent sound!!

      Fantastic addition especially when paired with the Pypes o/r xpipe and Pypes mid muffler cat back system. Note: You MUST get a new x or h pipe with this. It doesn't fit with the stock H. I know it says that down there somewhere but I missed it when purchasing. Getting the driverside pipe on was a little tough, but that's more because of the car than the product. All in all now that is on, I love it and exceptionally pleased with its performance.

      Michael S

      Year: 2006 Model: GT

      Helpful (2) (1)

    • 5/5

      March 31, 2011

      pypes lt's

      liked very much very happy with purchase.install was not bad at all but i did have a lift to use.they fit great no issues at all.i would recommend to any one.especially for the money

      shawn bolden

      Year: 2010 Model: GT Driving Style: Show

      Helpful (1) (0)

    • 5/5

      Installation Time: Full Day

      December 30, 2012

      Sounds insane and cost next to nothing!

      For the price, you can't go wrong with these. The install was a pain, but that was expected for long tube headers. Don't use the header gaskets that come with it. Pay like $25 and get the ford racing gaskets. These headers sound amazing. I have them coupled with Pypes H-Pipe and Pypes, Pype-Bomb mufflers. My car is insanely loud now, but that's what I was going for. If you want loud, go with these headers!


      Year: 2008 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2 New Orleans, LA

      Helpful (1) (1)

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