Description
Performance Exhaust System. The Milltek Active Valve Cat-Back Exhaust System with H-Pipe and polished tips enhances your Mustang’s acoustic character and overall aesthetics. It provides a direct replacement for the factory exhaust, allowing owners to tailor their exhaust sound by increasing volume and delivering a more aggressive tone. This system enhances the driving experience by blending high-quality sound with functional design.
Construction and Appearance. Crafted from 304L aircraft-grade stainless steel, this exhaust system offers excellent corrosion and heat resistance, ensuring long-term durability under demanding conditions. The polished exhaust tips add an aggressive yet refined look, complementing the vehicle’s exterior design while showcasing premium craftsmanship.
Installation. Installation is straightforward and typically takes between 1 and 2 hours, including removal of the original exhaust system. No drilling or permanent modifications are necessary, making this system a direct bolt-on upgrade suitable for professional installers and experienced enthusiasts alike.
Application. This exhaust system is precisely engineered to fit 2024 through 2026 Mustang GT Fastback models equipped with an active exhaust system. Installation requires the OEM GT 5.0 rear diffuser for proper fitment and integration.
Milltek SSXFD429
CA Residents: WARNING: Cancer and Reproductive Harm
- Ford Mustang 5.0 V8 GT S650 Fastback Active Valved Cat Back Exhaust System with H Pipe
- Constructed from 304L Aircraft Grade Stainless Steel for Superior Durability and Corrosion Resistance
- Includes Polished Exhaust Tips for a Refined Appearance
- Designed as a Direct Replacement for the Original Exhaust System
- Multiple Configurations Available to Customize Volume and Tone
- Requires OEM GT 5.0 Rear Diffuser for Proper Installation
- Pipe Diameter: 70 mm
- Estimated Installation Time: 1 to 2 Hours, Including Removal of OE System
- Not Intended for Racing Use
- System is Not E-Marked
- Fits 2024-2026 Mustang GT Fastback Models with Active Exhaust
| Brand | Milltek |
| Exhaust System Type | Cat-Back System |
| Exhaust System Material | Stainless Steel |
| Exhaust System Tip Finish | Chrome, Polished |
| Exhaust System Tubing Diameter | 3.00 Inch |
| Exhaust Loudness | Aggressive |






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