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Pypes 1-7/8-Inch Long Tube Catted Headers (15-17 GT)

Item 408221
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Market Price $1,446.14 You Save 13% ($188.63)
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$1,257.51 (pair)

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      Video Review & Installation

      Hey, guys. I'm Justin with, here with my detailed overview of the Pypes Catted Long Tube Headers with 1 and 7/8 inch primaries fitting your 2015 and up Mustang GT. All right, guys, this overview is gonna cover the basic construction of the Pypes Catted Long Tube Headers, what you can expect as far as performance and benefits, and then finally we'll do a quick little walkthrough on the install. And speaking of the install, this one's gonna get a full three out of three wrenches on my difficulty scale. Long tube headers are always a chore on the Coyote-powered Mustangs and these are no different, and we'll have a little bit more detail on that later on. The Pypes Catted Long Tube should appeal to anyone with a newer S-550 GT out there who is looking to step into one of the more serious bolt-ons and doesn't want to totally destroy their budget or wallet in the process.

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Improves Rear Wheel Horsepower and Torque
      • Increases of Over 50HP with a Tune
      • Increases Exhaust Volume and Tone
      • Long Tube Header Design
      • High Flow Catalytic Converters Included
      • Three-Inch Catted Connection Pipe (Steps Down to 2.5 Inches)
      • 1-3/4 - 1-7/8 Inch Step Header with 3-Inch Collector
      • Free-Flowing, Mandrel-Bent Tubing
      • 304 Polished Stainless Steel Construction
      • Calibration Required for Operation
      • Wiring Harness Needs to Be Disconnected from the Back of the Block for Appropriate Length
      • Fits Left Hand Drive 2015-2017 GT Mustangs Only


      Improves Horsepower and Torque. Give the guy in the opposing lane a run for his money by installing a pair of Pypes Long Tube Headers under the hood of your GT. Pypes Headers are engineered to increase the exhaust flow of your Coyote powered Mustang for an improvement in rear wheel horsepower and torque. Increases of 50 RWHP have been seen with a custom tune. Pypes 1-7/8 Inch Long Tube Headers are great for use on naturally aspirated 5.0L Mustangs, but really come into their own when you decide to step up to a bigger cam or supercharger.

      Make Some Extra Noise. Pypes Long Tube Headers not only improve the performance of your 5.0L V8-powered Mustang, but they will also improve its sound. With its high-flow design, these Long Tube Headers are less restrictive than stock, allowing you to pick up a few decibels in your exhaust note for a more aggressive sound.

      High Flow Cats. Pypes high flowing catalytic converters are designed to outperform the restrictive factory cats. The included high flow catalytic converters provide a significant improvement in exhaust flow for a measured increase in rear wheel horsepower and torque.

      Quality Construction. Pypes 304 stainless steel Long Tube Exhaust Headers are manufactured using step tube technology. These Long Tube Headers are constructed from free-flowing, CNC mandrel-bent 1.75-inch primary tubes that step up to 1.875 inches and then merge at a 3-inch collector. The collector features a power spike design for excellent exhaust flow. Pypes Long Tube Headers are then completed in a bright, polished finish for impressive good looks.

      Calibration Required. Installation of this Pypes Long Tube Catted Headers will require the use of a Handheld Tuner to reprogram the vehicles computer (ECU) for operation. By reprogramming your Mustang's ECU you will be able to realize the full power potential that these headers have to offer.

      Installation. The wiring harness needs to be disconnected from the back of the block. That should give you enough length for a proper installation.

      Application. These Pypes Long Tube Catted Headers are specifically designed to fit the 2015-2017 GT Mustangs equipped with the DOHC Coyote 5.0L V8 engine. These headers and connector pipes are a direct bolt on to the stock 2.5-inch exhaust system. These Headers are intended for left hand drive applications only.

      Fitment: 2015 2016 2017 Details

      Pypes HDR78SK-1

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Driver Side Long Tube Header
      • (1) Passenger Side Long Tube Header
      • (2) Catted Connection Pipe Assemblies
      • O2 Extensions

      Tech Specs

      Header Specifications
      Header Type:Long TubeType Mid Pipe Required:2.5" Stock or 2.5" Aftermarket
      Material:304 Stainless SteelFinish:Polished
      Catalytic Converter:"Yes" - For off-road use onlyFitment:2015-2017 GT Mustangs

      Customer Reviews (4)

        Reviews of Pypes Exhaust products have an average rating of 4.5 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Mustang

          • GT - 15, 16, 17

          These Headers are intended for left hand drive applications only.