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Exhaust› Headers, Manifolds and Components

Stainless Works

1-7/8-Inch Long Tube Headers w/ 3-Inch Catted Lead Pipes

$2,256.25 $2,050.86 Save $205.39

SKU: SW-M15HCAT

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Ships by Aug 4
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Description

The Stainless Works M15HCAT is a premium, bolt-on long tube header system engineered for the 2015-2016 Mustang GT. The design ensures a factory connection point for straightforward installation. The headers are equipped with thick 3/8 inch flanges and 3-inch slip-fit collectors that incorporate merge spikes for optimal exhaust flow. Stainless Works backs this product with a limited lifetime warranty, underscoring its durability and quality. Note: This product is California Legal: No. It is also confirmed to fit the 2015-2023 Mustang GT models.

MIA's Description

The Stainless Works M15HCAT is a set of long tube headers for the 2015-16 Mustang GT. These headers feature 1-7/8 inch primary tubes and 3-inch diameter catted lead pipes designed to connect to the factory exhaust system. Constructed from TIG-welded 304 stainless steel, they include 3/8 inch thick flanges and 3-inch slip-fit collectors with merge spikes. This system replaces the factory manifolds and catalytic converters for improved performance.

Fitment

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Specifications

BrandStainless Works
Part NumberSW-M15HCAT
CategoryExhaust

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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