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Kooks 1-7/8" Long Tube Headers w/ Competition Only Connection Pipe (2015 - 2026 Mustang GT) 1151H411

Kooks 1-7/8" Long Tube Headers w/ Competition Only Connection Pipe (2015 - 2026 Mustang GT) 1151H411

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Item#:
11512402-11513000x2-11513100
$2,568.33
Regular price: $2,568.33
Sale price: $2,298.00
(You save $270.33 )
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Kooks 1-7/8" Long Tube Headers w/ Competition Connection Pipes (1151H411) - 2015–2026 Mustang GT 5.0L

Build a no-compromise exhaust foundation for your S550/S650 Mustang with the Kooks 1-7/8-inch Long Tube Headers and Competition Only Connection Pipe Kit. Designed for serious performance applications, this complete package is engineered to maximize exhaust flow, throttle response, and high-RPM power for naturally aspirated and race-focused Coyote builds.

This kit combines Kooks’ 1-7/8-inch T304 stainless steel long tube headers with 3-inch competition-only connection pipes and the required OEM-style adapter. Featuring mandrel-bent primaries, thick laser-cut flanges, and ball-and-socket connections, this system is built for durability and precise fitment. Designed strictly for off-road/competition use, this setup does not connect directly to the OEM exhaust and is intended for use with Kooks long tube components only.

Features

    • Complete long tube header and competition connection pipe kit
    • 1-7/8-inch mandrel-bent primary long tube headers
    • Premium T304 stainless steel construction
    • 3/8-inch thick laser-cut flanges for leak-free sealing
    • Round port design with factory bolt pattern
    • 3-inch competition-only stainless steel connection pipes
    • Ball-and-socket header connections for improved alignment
    • OEM-style connection adapter included
    • Includes MLS gaskets and required bolt kits
    • Includes O2 sensor extension harnesses for 2015–2017 and 2018+ models
    • Designed for maximum airflow and top-end power

Fitment

- 2015 Ford Mustang GT 5.0L
- 2016 Ford Mustang GT 5.0L
- 2017 Ford Mustang GT 5.0L
- 2018 Ford Mustang GT 5.0L
- 2019 Ford Mustang GT 5.0L
- 2020 Ford Mustang GT 5.0L
- 2021 Ford Mustang GT 5.0L
- 2022 Ford Mustang GT 5.0L
- 2023 Ford Mustang GT 5.0L
- 2024 Ford Mustang GT 5.0L
- 2025 Ford Mustang GT 5.0L
- 2026 Ford Mustang GT 5.0L

Note: Competition-only connection pipes do not connect to the OEM exhaust system. Intended for off-road/track use only. Clamps not included.

CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov