
Active Exhaust Electric Valve Actuator Assembly For Ford Mustang 2018-23 | #JR3Z-6554-A | Ford OEM
Replacement Active Exhaust Electric Valve Actuator Assembly
For Ford Mustang 5.0L GT & 2.3L EcoBoost 2018-23

Manufactured by Ford | #JR3Z-6554-A
Do you have a damaged or faulty active exhaust valve on your Mustang? Nemesis UK can help! Here we have a brand new Factory Ford OEM replacement active exhaust valve assembly to help get your Mustang working and performing as it should again.
Features:
- Correct Mounting Flange
- New Hardware Included
- Direct Fit Electrical Connector
Includes:
- 1 x Actuator
- 3 x Mounting Stud Nuts
- 1 x Tension Spring
Notes:
Before purchasing check over your valve actuator and components for these common issues:
- Check the Valve Wiring Harness Connection isn't damaged. Due to the valve location & design, it is common for the wiring loom to melt or get trapped, causing the active exhaust function to not be available. This is available to order here: JR3Z-14A411-H
- Check the Valve Spring isn't broken. Another common issue is for the valve spring to snap. This is available to order here: JR3Z-9449-A
Vehicle Applications:
- Ford Mustang GT S550 - 2018, 2019, 2020, 2021, 2022, 2023
- Ford Mustang EcoBoost S550 - 2018, 2019, 2020, 2021, 2022
- Ford Mustang Bullitt S550 - 2019, 2020
- Ford Mustang Mach 1 S550 - 2021 2022, 2023
Replacement Active Exhaust Electric Valve Actuator Assembly
For Ford Mustang 5.0L GT & 2.3L EcoBoost 2018-23

Manufactured by Ford | #JR3Z-6554-A
Do you have a damaged or faulty active exhaust valve on your Mustang? Nemesis UK can help! Here we have a brand new Factory Ford OEM replacement active exhaust valve assembly to help get your Mustang working and performing as it should again.
Features:
- Correct Mounting Flange
- New Hardware Included
- Direct Fit Electrical Connector
Includes:
- 1 x Actuator
- 3 x Mounting Stud Nuts
- 1 x Tension Spring
Notes:
Before purchasing check over your valve actuator and components for these common issues:
- Check the Valve Wiring Harness Connection isn't damaged. Due to the valve location & design, it is common for the wiring loom to melt or get trapped, causing the active exhaust function to not be available. This is available to order here: JR3Z-14A411-H
- Check the Valve Spring isn't broken. Another common issue is for the valve spring to snap. This is available to order here: JR3Z-9449-A
Vehicle Applications:
- Ford Mustang GT S550 - 2018, 2019, 2020, 2021, 2022, 2023
- Ford Mustang EcoBoost S550 - 2018, 2019, 2020, 2021, 2022
- Ford Mustang Bullitt S550 - 2019, 2020
- Ford Mustang Mach 1 S550 - 2021 2022, 2023
Description
Replacement Active Exhaust Electric Valve Actuator Assembly
For Ford Mustang 5.0L GT & 2.3L EcoBoost 2018-23

Manufactured by Ford | #JR3Z-6554-A
Do you have a damaged or faulty active exhaust valve on your Mustang? Nemesis UK can help! Here we have a brand new Factory Ford OEM replacement active exhaust valve assembly to help get your Mustang working and performing as it should again.
Features:
- Correct Mounting Flange
- New Hardware Included
- Direct Fit Electrical Connector
Includes:
- 1 x Actuator
- 3 x Mounting Stud Nuts
- 1 x Tension Spring
Notes:
Before purchasing check over your valve actuator and components for these common issues:
- Check the Valve Wiring Harness Connection isn't damaged. Due to the valve location & design, it is common for the wiring loom to melt or get trapped, causing the active exhaust function to not be available. This is available to order here: JR3Z-14A411-H
- Check the Valve Spring isn't broken. Another common issue is for the valve spring to snap. This is available to order here: JR3Z-9449-A
Vehicle Applications:
- Ford Mustang GT S550 - 2018, 2019, 2020, 2021, 2022, 2023
- Ford Mustang EcoBoost S550 - 2018, 2019, 2020, 2021, 2022
- Ford Mustang Bullitt S550 - 2019, 2020
- Ford Mustang Mach 1 S550 - 2021 2022, 2023

















