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Stainless Works 1-7/8 in. Long Tube Off-Road Headers w/ XL Leads (15-19 GT w/ SW, MBRP or Corsa Cat-Back)

AmericanMuscle no longer carries the Stainless Works 1-7/8 in. Long Tube Off-Road Headers w/ XL Leads (15-19 GT w/ SW, MBRP or Corsa Cat-Back). Please check out 2010-2014 Mustang Long Tube Headers for an updated selection.
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Features & Details

  • Increases Horsepower and Torque
  • Strong Powerful Sound
  • Long Tube Header Design
  • 3" Off-Road Leads
  • 3/8" Thick Flanges
  • 1-7/8" Primaries
  • 3" Slip-Fit Collectors
  • Free-Flowing Mandrel Bent Tubing
  • 304 Stainless Steel Construction
  • Off-Road or Track Use Only
  • Calibration Required for Operation
  • Lifetime Warranty
  • Fits 2015-2019 Mustang GTs with SW, MBRP or Corsa Cat-Back
Unleash Your GT's Hidden Power. The Stainless Works 1-7/8" Long Tube Off-Road Headers with XL Leads is designed to unleash your Mustang GT's hidden power that the restrictive stock headers keep hidden. When matched with a SW, MBRP or Corsa 3" Cat-Back you will have a full 3" exhaust system that will increase the rear wheel horsepower and torque of Coyote powered GT.

Hear and Feel the Power. These Stainless Works 1-7/8" Long Tube Headers not only improve the performance of your 5.0L V8 powered Mustang, but they will also improve its sound as well. With a cat-less 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 an aggressive sound you can hear and feel.

Quality T-304 Stainless Steel Construction. CNC mandrel bent, these headers are constructed from durable T-304 stainless steel tubing. Starting with 3/8" thick flanges, these Long Tube Headers feature 1-7/8" primary tubes that merge into 3" slip-fit collectors. The collectors feature a merge spike design for excellent exhaust flow. TIG-welded for superior strength, these Headers will last a lifetime.

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

Not CARB Certified. These Headers are not CARB certified, therefore they are not legal for use in California or any other state adopting California emission standards. Not legal for use on pollution controlled motor vehicles; intended for off road use only.

Limited Lifetime Warranty. Stainless Works headers and exhausts are designed to take the punishment of your motor, and are backed by a Limited Lifetime Guarantee on material and workmanship. Some exclusions may apply, please see manufacturer's warranty for details.

Application. Stainless Works 1-7/8 in. Long Tube Off-Road Headers with XL Leads have been designed for installation on 2015-2019 Mustang GT models equipped with SW, MBRP or Corsa 3" Cat-Back systems. These Headers are intended for left hand drive applications only.

Fitment: 2015 2016 2017 2018 2019 Details


CA Residents: WARNING: Cancer and Reproductive Harm -

What's in the Box
  • (2) Headers
  • Hardware for Installation
Installation Info
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Questions & Answers (2)

2 Top Rated Questions

Does this kit contain 02 extensions and would I need them?

  • The Stainless Works 1-7/8 in. Long Tube Off-Road Headers will include the required O2 sensor extension harness.

Helpful (1)

Will this go with the Ford Performance by Borla Sport Catback system?

  • The Stainless Works 1-7/8 in. Long Tube Off-Road Headers will not fit a Ford Performance by Borla Catback System

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Customer Reviews (1) Write a Review

Overall Rating 5

out of 5 stars

Installation Time:Weekend

  • Bang For Your Buck 5 5

  • 5/5

    Installation Time: Weekend

    December 08, 2017

    Highly recommended

    Great fitment and sound I would highly recoment this item for anyone whose looking for a quality header!


    Year: 2015 Submodel: GT

    Helpful (12)

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