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2011-14 Mustang Stainless Works Headers & Catalytic X-Pipe Kit With Tune GT - S197 by Stainless Works

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Mustang Stainless Works Headers & Catalytic X-Pipe Kit With Tune (11-14)

Increase horsepower & torque in your S197 with an 11-14 Mustang GT headers & catalytic x-pipe kit.


Everyday Low Price: $1,199.99

In Stock!  


  • Increased Horsepower & Torque
  • Improved Exhaust Flow
  • Includes Custom N/A Tune


  • Mandrel Bent Stainless Steel Construction
  • 3/8" Thick Flanges
  • 1 7/8" Diameter Primaries
  • Precision Cut Flanges
  • Tig Welded
  • 3" Catalytic X Pipe

What's in the Box

  • (1) Pair Long Tube Headers With O2 Bungs Welded In
  • (1) LH O2 Extension Wire
  • (2) Cat Elimination Pipes
  • (1) Catted X Pipe
  • (4) Stainless Steel Clamps
  • (1) Blow-By Racing Custom N/A Tune
  • Installation Instructions

Made in the USA

Product Description

Check out our new Stainless Power Long Tube Header, Catted X-pipe and Custom Tune Kit for your 2011-14 Ford Mustang 5.0L GT!

LRS is proud to offer these Stainless Power 2011-14 5.0L Mustang GT headers. These stainless power headers feature 1-7/8" primary tubes and 3" collectors as well as 3" Catted X-Pipe that mate to the factory connection point. Additional features of these Stainless Power Headers include fully tig welded 304 SS construction with 3/8" thick flanges and 3" diameter slip fit collectors with merge spikes. All these qualities ensure you're getting the highest quality header for your new 2011-14 5.0 Mustang.

This kit also includes a Custom Naturally Aspirated Tune for your 2011-14 Mustang 5.0L. We take all of your current mods and incorporate them into a custom tune designed specifically for your Mustang. These custom tunes will significantly increase your throttle response and overall performance, taking your driving experience to a new level! Check out the details below!

This kit also make you eligible for our new Custom Tune Program!

How to Obtain Your Custom Tune
Once you place an order for your new custom tune, tuner kit, or parts kit, an order confirmation will be emailed to you followed by a Custom Tune Information Form email. This email will usually be sent to your within one business day of your order being placed. Click the link located in the Custom Tune Information Form email to go to the Custom Tune Information Form. You will need to fill this profile out very accurately to ensure a perfect tune for your Mustang. Once the form in completed, you will be required to submit your profile to us via the web or email. Once the form is submitted to us, we will create your tune file, and email the tune file straight to the provided email address. If you need technical support, please contact our sales department at 254-296-6500.

Have a question about a custom tune for your 1996-2014 Ford Mustang? Send Us A Message!

Not wanting to use your Custom Tune at this time? Don't worry, you can wait to submit your custom tune information until you are ready to have your tune made. If you are ordering other parts and would like them to ship first, just let us know!

Look at our Stainless Works 2011 5.0L Mustang GT install blog!

Product Videos

More videos of this product!

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!

(2) Customer Photos

Customer Reviews

5 out of 5 stars - based on 1 reviews

  Awesome Quality!
By on 1/27/2014
Image uploaded by Steven  L. I'm so glad I got these headers. The build quality is top not and it sounds amazing!

Yes, I would recommend this item to a friend!

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Vehicle Applications

Ford Mustang - 2011 (11) - 2012 (12) - 2013 (13) - 2014 (14)

About This Brand

Stainless Works
Stainless Works - Performance Exhaust Products
Stainless Works is a manufacturer of High Quality 304 Stainless Steel headers, exhaust systems, and exhaust components for Latemodel Mustangs. Stainlessworks Headers are designed to provide their customers with exact fit components to their specific applications. They are constantly adding new products and verifying fitment for new vehicles, model years and special motor applications. Many of their newer products have proven performance increases through pre and post dyno testing of vehicles. Their Stainless Steel products are made by craftsman from the finest materials to their precise specifications and their very high standards. These materials will never red rust like the cheaper 400 series Stainless materials used by their competitors. Stainless Works stands by the quality and workmanship of their products and strives to improve the experience of the products for their valued customers.

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