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Exhaust› Headers, Manifolds and Components

Kooks 1-7/8

1-7/8" x 3" Stainless Steel Headers w/ Green Catted OEM Connection Pipes

$3,578.27 $2,702.79 Save $875.48

SKU: 1151H431

In Stock
In Stock
Ships by Aug 1
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Kooks 1151H431 is a premium set of 1-7/8 inch x 3 inch stainless steel long tube headers specifically engineered for the 2015-2020 Ford Mustang GT 5.0L 4V models. Constructed from durable 304 stainless steel with 3/8 inch thick laser-cut flanges, these headers are built for high performance and longevity. This header system includes green catted OEM connection pipes, ensuring compliance with emissions standards while facilitating a direct connection to your vehicle's factory exhaust system. The design also incorporates O2 bungs, providing convenient ports for exhaust gas sensor installation, which is crucial for engine management and tuning. Kooks Headers has been a leader in the high-performance exhaust industry for over 50 years, with a reputation for handcrafted quality and championship-winning performance.

MIA's Description

The Kooks 1151H431 is a set of stainless steel headers designed for the 2015-2020 Mustang 5.0L 4V. These headers feature 1-7/8 inch x 3 inch primary tubes and include green catted OEM connection pipes. They also come with O2 bungs for easy sensor installation.

Fitment

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Specifications

BrandKooks 1-7/8
Part Number1151H431
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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