Exhaust Headers, Manifolds and Components

Stainless Works

Stainless Works 2015-16 Mustang GT Headers 1-7/8in Primaries 3in High-Flow Cats Factory Connection

$2,433.98

SKU: S00K M15HCAT

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In Stock
Ships by Aug 6
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: M15HCAT

2015-20 Mustang GT headers with 1-7/8" primary tubes, 3" diameter catted lead pipes that mate to the factory connection point. Tig welded 304 stainless steel headers with 3/8" thick flanges and 3" diameter slip fit collectors with merge spikes.This system replaces the factory manifolds, catalytic converters with a superior performing lifetime guaranteed bolt-on system.

2015-20 Mustang GT headers with 1-7/8" primary tubes, 3" diameter catted lead pipes that fit the factory connection point. Tig welded 304 stainless steel headers with 3/8" thick flanges and 3" slip fit collectors with merge spikes.

MIA's Description

The Stainless Works M15HCAT headers are long tube headers designed for the 2015-2023 Ford Mustang GT 5.0L, featuring 1-7/8" primary tubes, 3" high-flow catalytic converters, and a factory connection for easy installation with the stock exhaust.

Fitment

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Specifications

BrandStainless Works
Part NumberS00K M15HCAT

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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