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Exhaust Headers, Manifolds and Components

Stainless Works

Stainless Power 2011-14 Mustang GT Headers 1-7/8in Primaries High-Flow Cats 3in X-Pipe

$1,699.00 $1,614.05 Save $84.95

SKU: S00K SM12HCATX

In Stock
In Stock
Ships by Aug 2
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: SM12HCATX

2011-14 Mustang GT headers with 1-7/8" primary tubes, 3" X-Pipe, 3" dia lead pipes and high flow catalytic converters that mate to the Stainless Works exhaust. Tig welded 304 SS headers with 3/8" thick flanges and 3" dia slip fit collectors with merge spikes. This system connects to SW Performance Connect exhausts for a full 3" diameter superior performing lifetime guaranteed bolt-on system.

2011-14 Mustang GT headers with 1-7/8" primary tubes, 3" X-Pipe, catted lead pipes, Tig welded 304 SS headers with 3/8" thick flanges. This system connects to SW Performance Connect exhausts for a full 3" diameter system.

MIA's Description

The Stainless Works Stainless Power 1-7/8in Headers with High-Flow Cats and 3in X-Pipe are designed for 2011-2014 Ford Mustang GT models. These headers feature 1-7/8" primary tubes, a 3" X-pipe, and high-flow catalytic converters for enhanced exhaust performance. They are constructed from 304 stainless steel.

Fitment

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Specifications

BrandStainless Works
Part NumberS00K SM12HCATX

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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