Kooks ULTRA X-Pipe to OEM Exhaust (11513700) - 2015–2026 Ford Mustang 5.0L

Maximize exhaust flow and unleash a sharper, more aggressive tone on your Coyote-powered Mustang with the Kooks ULTRA X-Pipe. Designed to bridge the gap between Kooks long tube headers and the factory exhaust, this high-performance mid-pipe improves scavenging, throttle response, and overall sound quality.

Built from premium 304 stainless steel, this system features true 3" mandrel-bent tubing and Kooks’ signature ULTRA X-Pipe design for optimal exhaust balance and performance. The kit includes the X-pipe, midpipe adapters, and clamps required for installation, allowing a clean, precise connection to the OEM catback system. Engineered specifically for use with Kooks headers and connections, this setup delivers proven performance gains and durability for street or track-driven Mustangs.

Features

• Designed to connect Kooks headers to the factory OEM exhaust
• True 3" mandrel-bent exhaust tubing
• Kooks ULTRA X-Pipe for improved exhaust scavenging
• Constructed from premium 304 stainless steel
• Includes X-pipe, midpipe adapters, and installation clamps
• Enhances exhaust tone, throttle response, and performance
• Precision fit for late-model Mustang applications

Fitment

Requires Kooks Headers (will not connect to factory headers)

- 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
- 2015 Ford Mustang GT Premium 5.0L
- 2016 Ford Mustang GT Premium 5.0L
- 2017 Ford Mustang GT Premium 5.0L
- 2018 Ford Mustang GT Premium 5.0L
- 2019 Ford Mustang GT Premium 5.0L
- 2020 Ford Mustang GT Premium 5.0L
- 2021 Ford Mustang GT Premium 5.0L
- 2022 Ford Mustang GT Premium 5.0L
- 2023 Ford Mustang GT Premium 5.0L
- 2024 Ford Mustang GT Premium 5.0L
- 2025 Ford Mustang GT Premium 5.0L
- 2026 Ford Mustang GT Premium 5.0L
- 2019 Ford Mustang Bullitt 5.0L
- 2020 Ford Mustang Bullitt 5.0L
- 2021 Ford Mustang Mach 1 5.0L
- 2022 Ford Mustang Mach 1 5.0L
- 2023 Ford Mustang Mach 1 5.0L

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