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Pypes Polished Long Tube Headers (05-10 GT)

16 Reviews
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  • Item #20100
  • MPN #HDR55S
  • Market Price $621.99
  • You Save 9% ($57.00)
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  • 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 stock 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.

Mustang 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
    • Bullitt - 08, 09
    • GT - 05, 06, 07, 08, 09, 10

    Most Helpful Reviews View All

    Overall Rating 5/5 Write a Review

    Top 500 Contributor

    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) (0)

    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

    Read More
    Helpful (4) (0)


    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 View Full Transcript

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    Q & A (3 Questions, 8 Answers) Ask a Question

    Muffler question for this setup? If I buy these long tube headers paired with their shorty X-pipe, could I use my already installed Flowmaster American Thunder exhaust with this setup? What kind of sound would I get? Or would you recommend the Pypes Pype-Bomb Axle-back exhaust which has no mufflers instead? With the headers, X-pipe, and Pype-Bomb, would it be too loud for a daily driver? I don't mind irritating my neighbors but don't want to be harassed daily by my local PD either.

    soonerchris Year: 2007 Model: GT

    Question Resolved
    Good Question (0) (0)
    • If you are definitely decided on buying the headers and shorty x-pipe then I would install them and try it with your flowmasters. I think you will be very happy with the sound of that combination. It's gonna be LOUD! If it is still not loud enough then you can always buy and bolt-on a pypes bomb system. As you know, catbacks are easy to change and bolt-on. IMO adding pypes bomb would be unbearable from the cockpit for a DD.

      Helpful (1) (0)

      Best Answer

      BrazenStang Year: 2002 Model: GT

      Top 500 Contributor

    Show 6 more answers

    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?

    Provine Year: 2008 Model: GT

    Be the First to Answer This Question
    Good Question (0) (0)

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

    SoulesReaper Year: 2008 Model: GT

    Question Resolved
    Good Question (0) (0)
    • No, this kit comes with the O2 extension kit as well as gaskets and the necessary hardware.

      Helpful (0) (0)

      BillyJoe Year: 2005 Model: GT

    Reviews (16) Write a Review

    • 5 Stars 1.0 100%
    • 4 Stars 0 0%
    • 3 Stars 0 0%
    • 2 Stars 0 0%
    • 1 Stars 0 0%

    out of 5 stars

    16 Customers Recommend this Product

    Installation Time:Full Day

    • Performance Gain: 4.75 4.8/5
    • Fit: 4.875 4.9/5
    • Bang For Your Buck: 4.75 4.8/5
    Filter By Sort By
    • 5/5

      Best value for performance, fit & finish

      December 08, 2011

      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.

      Top 500 Contributor


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

      Helpful (13) (0)

    • 5/5

      Three tenths faster!

      March 31, 2011

      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

      Finally did it

      January 27, 2012

      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

      awsome product awsome sound

      May 20, 2010

      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

      Quality product with excellent sound!!

      April 27, 2011

      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

      Pypes LT Headers O/R X and Borla Stingers

      March 31, 2011

      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 (1) (0)

    • 5/5

      Sounds insane and cost next to nothing!

      December 30, 2012

      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!

      Top 500 Contributor


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

      Helpful (1) (1)

    • 5/5

      Best Bang For Your Buck

      March 01, 2012

      These headers are my favorite mod so far. They look great (not that you can really see them), sound great, and gave me a noticeable gain in HP and TQ. I installed these with a catted Pypes H-pipe and they sound amazing. I have Ford Racing cams and the car sounds exactly like an old muscle car now. As for power, I gained 30HP according to the same Dynojet dyno under similar conditions. I'm completely satisfied and recommend these to anyone looking for headers.

      Top 1000 Contributor


      Year: 2008 Model: Bullitt Driving Style: Daily Driver 'Stangs I have owned: 2 Raleigh, NC

      Helpful (1) (1)

    • 5/5

      3 tenths off my eighth mile

      July 02, 2010

      Did not take to the dyno but got some track times in. Went from 9 flat in Florida to 8.7 in Fort Campbell KY after the header install. Like I stated before great product and great Company to deal with. Thank you American Muscle.

      Rick T. 2010 GT

      Helpful (4) (5)

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