Kooks 3" SS Connection-Back ULTRA X Shotgun Exhaust w/ SS Tips (11515700) - Ford Mustang 5.0L

Built for maximum performance and aggressive sound, the Kooks 3" Stainless Steel Connection-Back ULTRA X Shotgun Exhaust is designed for serious Mustang builds running full Kooks exhaust components. This system delivers a race-inspired tone and improved exhaust flow, making it ideal for high-horsepower street or track-focused 5.0L setups.

Constructed from 3" mandrel-bent 304 stainless steel tubing, this connection-back system features a high-flow ULTRA X-pipe, shotgun-style valved mufflers, and 4" slash-cut polished stainless quad tips. Designed to pair with Kooks long tube headers and front connection pipes, this system does not connect to the OEM exhaust and is engineered for enthusiasts looking to maximize performance and sound quality.

Features

• 3" connection-back shotgun-style valved exhaust system
• 3" mandrel-bent 304 stainless steel tubing for optimal exhaust flow
• High-flow ULTRA X-pipe for reduced restriction and aggressive tone
• Shotgun-style valved mufflers for race-inspired sound control
• 4" slash-cut polished stainless steel quad exhaust tips
• Designed to work with Kooks long tube headers and front connection pipes
• Does not connect to the OEM exhaust system

Fitment

Requires Kooks long tube headers and front connection pipes. Does NOT connect to OEM exhaust.

- 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

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- 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

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