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Stainless Works 1-7/8 in. Long Tube Headers & Off-Road H-Pipe Kit (11-14 GT500)

Market Price $1,635.00 You Save 5% ($81.75)
Our Price

$1,553.25

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  • Item 101817
  • MPN# GT115HORHP

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Features & Details

  • Increases Horsepower and Torque
  • Classic Muscle Car Rumble
  • Long Tube Header Design
  • Free Flowing 1-7/8" Mandrel-Bent Tubing
  • Stainless Steel Construction - Natural Finish
  • Matching Off-Road Shorty H-Pipe Included
  • Intended for Off-Road, Track Use Only
  • Designed and Manufactured in the USA
  • Fits 2011-2014 Shelby GT500 Mustangs
More Horsepower And Torque. Improve the performance of your high powered Shelby GT500 throughout the entire RPM range with a Stainless Works Long Tube Header and Off-Road Shorty H-Pipe combo kit from AmericanMuscle. This Stainless Works Header and H-Pipe kit will greatly improve your Shelby Mustangs exhaust flow over the restrictive stock manifolds and Mid Pipe to significantly increase your Pony's horsepower and torque.

Superior Construction. Manufactured in the USA from 1-7/8" mandrel bent 304 stainless steel tubing for superior airflow, Stainless Works Long Tube Exhaust Headers are TIG welded and feature a one piece 3/8" thick header flange for added strength and optimal leak-free performance.

Muscle Car Rumble. The included Stainless Works 3" diameter 304 stainless steel off-road H-Pipe not only improves exhaust flow to increase power, but it also adds a deep muscle car rumble to the sound of your Mustangs exhaust with its modern merged "H" crossover design.

Recommended Upgrade. To realize the full power potential that this Long Tube Header and Odd-Road Shorty H-Pipe combo kit has to offer, AmericanMuscle highly recommends a Bama custom tune with a Mustang Handheld Tuner to reprogram the vehicles computer (ECU) for proper operation.

Application. This Stainless Works Long Tube Header and Off-Road H-Pipe combo kit is specifically designed to fit the 2011 to 2014 Shelby GT500 Mustangs equipped with the supercharged DOHC 32-valve V8 engine.

Technical notes. This Stainless Works product may not be legal for use on pollution controlled motor vehicles; intended for off road use only.

Fitment: 2011 2012 2013 2014 Details

What's in the Box
  • Long Tube Headers
  • Off-road H-Pipe
Installation Info
Tech Specs
Header Specifications
Header Type: Long Tube Finish: Natural
Type Mid Pipe Required: Shorty - Included Fitment: 2011-2014 Shelby GT500 Mustangs


Mid Pipe Specifications
Style Mid Pipe: Shorty "H" Type Headers Required: Long Tube - Included
Piping Material: Stainless Steel Piping Size: 3"
Catalytic Converter: "No" - For off-road use only Fitment: 2011-2014 Shelby GT500 Mustangs
Will it fit my Mustang?
  • GT500 - 11, 12, 13, 14

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Customer Reviews (1) Write a Review

Overall Rating 5.0

out of 5 stars

Installation Time:Shop Install

Installation Cost:$500-$1000

  • Loudness / Volume 5 5
  • Exhaust Note 4 4
  • Fit & Finish 5 5
  • Bang For Your Buck 5 5



  • 5/5

    Installation Time: Shop Install

    Installation Cost: $500-$1000

    April 27, 2017

    Stainless Works Long Tubes

    Fitment, and finish are great! Exhaust note is crisp, not too loud. Cold starts are kind of rowdy but it calms down after about 30 seconds. With the right muffler choice you could easily drive this set-up every day. If you plan to install yourself, if can do a k-member

    Ghost

    Year: 2011 Submodel: GT500

    Helpful (0)

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