Flowtech Shorty Header - Natural Finish
2011-14 Mustang 5.0L V8 409SS 1-7/8" Shorty Headers- Natural Finish
PART# 12140FLT
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Overview
Flowtech Headers are the perfect combination of quality and value. These shorty style headers fit the popular 2011-2014 Ford Mustang 5.0L V-8 models.
Features:
- Mandrel-bent 409 Stainless Steel tubes provide consistent tubing diameters for smooth flow and increased exhaust velocity
- Heavy duty 16-gauge tubing for increased strength and durability
- Smooth transition, 1-7/8” diameter primary tubes are used for increased exhaust flow increasing performance and improving throttle response
- OE style 2-1/2” collector connects to factory exhaust head pipe without cutting or welding
- TIG-welded, machined 3/8” header flange for a leak-free seal and maximum strength
- Premium aluminum header gaskets included
- Available finishes include Natural (PN 12140FLT), Polished (PN 12141FLT), and Silver Ceramic Coated (PN 32141FLT) finishes
- These headers are a must upgrade if you are using a cold air intake, cat-back exhaust system or tuner
Specs
Application | 2011-2014 Mustang 5.0L |
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Brand | Flowtech |
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Emission Code | 4 |
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Finish | Natural |
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Header Style | Shorty |
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Material | 409 Stainless Steel |
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Primary Tube Dia. | 1-7/8 inch |
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Product Type | Headers |
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Part Number | 12140FLT |
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Emissions

This part is legal for sale or use on Racing Use Only Vehicles
The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
Tech Resources
Applications
*Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.
Some parts are not legal for use in California or other states with similar regulations.