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SpeedTech High Flow Stainless Headers Ford Mustang GT 5.0L 11-13



Model #MU-HD11

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This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

The SpeedTech 2011+ Mustang GT 5.0L headers feature 1 7/8" primary tubes and 3" collectors. Additional features include fully tig welded 304 Stainless Steel construction with 3/8" thick flanges and 3" diameter slip fit collectors with merge spikes.

All these qualities ensure youre getting the highest quality header for your Mustang.


  • 304 Stainless Steel Construction
  • 1 7/8" Primaries / 3" Collectors
  • Collector merge spikes

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Vehicle Engine Notes
Ford Mustang GT

Warranty: All SpeedTech products are protected by a lifetime warranty against manufacturing defects or structural failure for the original owner. This excludes catalytic converters which carry a 3 year warranty for the original owner. Our Catalytic converter warranty is for catalytic converter efficiency performance only and does not cover failure or abuse from track, off road or racing events. Any products sold that are manufactured by other companies (such as spark plugs, coils, etc.) offer the warranty from the original manufacturer.

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