XForce | Varex Valved Axle Back Exhaust | Ford Mustang GT S550 FN 2018–2023 | ES-FM18-VMK-ABS
Couldn't load pickup availability
PLEASE NOTE: We’re here for you before, during, and after your purchase. Whether you need fitment advice, tech support, or warranty help — our team is just a call or message away.
Warranty Included: This premium product is backed by a manufacturer’s warranty for your peace of mind.
Call us: (03) 9111 5481
Description
Description
XForce Varex Valved Axle Back Exhaust - Ford Mustang GT S550 FN - ES-FM18-VMK-ABS
Take control of your Mustang's roar with the XForce Varex Valved Axle Back system. Specifically designed for the S550 FN GT, this system utilizes our patented Varex muffler technology, allowing you to switch between a discreet street sound and a wide-open race growl at the push of a button. Note: This is not a direct bolt-on fitment; cutting of the factory exhaust pipework is required for installation.
What's in the Box?
- 2 x Round Varex Valved Rear Mufflers
- 2 x 4" Polished Stainless Steel Angle-Cut Tips
- Varex Control Module and Wiring Kit
- All Necessary Installation Hardware
Features:
This product offers the following high-performance features:
- Varex Variable Sound Control: Features an internal electronic valve system that lets you adjust the exhaust volume manually or via an optional Smartbox app.
- Premium Construction: Crafted from high-quality polished 304-grade stainless steel for a mirror finish and long-lasting corrosion resistance.
- Aggressive Aesthetics: Large 4" angle-cut tips provide a bold, performance-oriented look that fills out the factory rear valance perfectly.
- Optimized Flow: 3" pipework ensures maximum exhaust gas velocity, improving throttle response and adding a deep, muscular V8 tone.
Specifications:
- Make: Ford
- Model: Mustang GT
- Year Range: 2018 - 2023
- Material: Polished Stainless Steel
- Pipe Size: 3.0 Inch
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| FORD | ||||||||
| FORD | MUSTANG | 2018 | 2023 | Fastback / Convertible | S550 (FN) | 5.0L V8 | GT | RWD |
| Product Type | Warranty Period |
|---|---|
| 304 & 201 Stainless Steel Exhaust Systems | 60 Months |
| Accessories | 12 Months |
| Catalytic Converters | 12 Months |
| Electronic Products (Including SmartBox) | 12 Months |
| Mild Steel & 409 Stainless Steel Exhaust Systems | 24 Months |
| Mild Steel Headers | 12 Months |
| Stainless Steel Headers | 24 Months |
| Universal 304 Stainless Steel Mufflers | 24 Months |
| Universal Mild Steel & 409 Stainless Steel Mufflers | 12 Months |
Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

