Kooks 3" SS Connection-Back ULTRA X Touring Exhaust w/ SS Tips (11515750) - Ford Mustang 5.0L
Engineered for enthusiasts who want strong performance gains without an overly aggressive exhaust note, the Kooks 3" Stainless Steel Connection-Back ULTRA X Touring Exhaust delivers refined sound with race-proven flow. This system is ideal for high-performance Mustang 5.0L builds that demand power, tone control, and premium craftsmanship.
Built from 3" mandrel-bent 304 stainless steel tubing, this connection-back system features a high-flow ULTRA X-pipe and touring-style active mufflers designed to reduce drone while maintaining a deep, authoritative exhaust tone. Finished with 4" slash-cut polished stainless quad tips, this setup is designed to pair exclusively with Kooks long tube headers and front connection pipes and does not connect to the factory exhaust.
Features
- 3" connection-back touring active exhaust system
- 3" mandrel-bent 304 stainless steel tubing for optimal exhaust flow
- High-flow ULTRA X-pipe for improved scavenging and efficiency
- Touring-style active mufflers for refined sound and reduced drone
- 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
- 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
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

