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Dynatech 1-7/8 in. SuperMAXX Long Tube Headers (11-14 GT500)

Market Price $1,079.99 You Save 17% ($180.00)
Our Price

$899.99 (pair)

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  • Item 394261
  • MPN# 722-84310

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Features & Details

  • Increases of 49 Horsepower and 32 lb/ft Torque
  • Long Tube Header Design
  • Free Flowing 1-7/8" Primary Tubing
  • 3” Collectors
  • Mandrel-Bent Stainless Steel Construction
  • Intended for Off-Road, Track Use Only
  • Requires a Dynatech Mid-Pipe and a 3 in. Cat-Back
  • Fits 2011-2014 Shelby GT500 Mustangs
Huge Horsepower Increase. Bolt-on an additional 49 horsepower and 32 foot pounds of torque to improve the performance level of your 2011-2014 Mustang GT500 by installing Dynatech SuperMAXX Long Tube Headers. These headers are a huge horsepower upgrade that does not require any major modifications. A performance tune after the installation process can take it to the next level with up to an additional 25 horsepower.

Durable Construction. Manufactured with stainless steel material, these Dynatech SuperMAXX Long Tube Headers are built to last. The headers are rust resistant to withstand the elements and the header gaskets are constructed from triple layer stainless steel to hold in all of that horsepower. These Dynatech SuperMAXX Long Tube Headers are backed by a limited lifetime warranty.

Bolt-on Installation. These Dynatech SuperMAXX Long Tube Headers are a bolt-on performance upgrade replacing the factory manifolds. All of the necessary mounting hardware and a detailed instruction manual is included.

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

Application. These Dynatech SuperMAXX Long Tube Headers are designed to fit 2011 to 2014 Shelby GT500 Mustang models.

Please Note. These Dynatech Long Tube Headers will require the use of a Dynatech shorty style Mid-Pipe and a 3 inch Cat-Back Exhaust system for proper installation.

Fitment: 2011 2012 2013 2014 Details

What's in the Box
  • (1) Right Side Header
  • (1) Left Side Header
  • (2) Header Gaskets
  • (2) O2 Extension Cable
  • Mounting Hardware
  • Instruction Manual
Installation Info
Tech Specs
Header Specifications
Header Type: Long Tube Type Mid Pipe Required: Shorty
Material: Stainless Steel Finish: Natural
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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