Milltek Race GPF Back Exhaust – Ford Focus MK4 ST 2.3 EcoBoost | SSXFD309
Milltek Sport Race GPF Back Exhaust – Ford Focus MK4 ST
Unleash the sound of your Ford Focus MK4 ST with the Milltek Sport Race GPF Back Exhaust System, featuring polished GT-115 exhaust tips.
Designed specifically for the Ford Focus MK4 ST 2.3 EcoBoost, this premium performance exhaust delivers a louder, more aggressive exhaust note while maintaining the factory GPF/OPF system.
Manufactured in the UK using high-quality T304 stainless steel, the Milltek Race system features a rear silencer bypass and 3-inch pipework, giving your Focus ST a deeper, sportier exhaust soundtrack.
Whether you're looking to enhance the sound of your daily driver or complete your performance build, this Milltek Sport system is an excellent upgrade for Focus ST enthusiasts.
Key Features & Benefits
Race (Louder) Configuration: Rear silencer bypass delivers a more aggressive exhaust note compared with the standard system.
Premium T304 Stainless Steel: High-quality construction designed for excellent durability and corrosion resistance.
3-Inch (76.2mm) Pipework: Mandrel-bent tubing designed to promote efficient exhaust gas flow.
Polished GT-115 Exhaust Tips: Dual 115mm polished tailpipes give your Focus ST a premium, sporty finish.
GPF/OPF Back Design: Retains the factory petrol particulate filter while enhancing the exhaust sound.
Direct-Fit Design: Developed specifically for compatible Ford Focus MK4 ST hatchback models.
Made in the UK: Designed and manufactured by Milltek Sport.
Vehicle Compatibility
Manufacturer: Ford
Model: Focus MK4 ST Hatchback
Engine: 2.3L EcoBoost Petrol
Model Year: 2019 onwards
Fitment: GPF/OPF-equipped vehicles
Body Style: Hatchback
Technical Specifications
Brand: Milltek Sport
Product Code: SSXFD309
System Type: GPF/OPF Back Exhaust
Configuration: Race (Louder)
Pipe Diameter: 76.2mm / 3 Inches
Material: T304 Stainless Steel
Exhaust Tips: Dual Polished GT-115
Rear Silencer: Bypass Configuration
EC/E-Mark Approved: No
Estimated Fitting Time: 1–1.5 Hours
Professional Fitting at OC Motorsport
Looking to upgrade your Ford Focus ST? OC Motorsport, based in Battlesbridge, Essex, specialises in Ford performance upgrades, exhaust systems, ECU remapping and performance tuning.
Contact our team to discuss compatibility, availability and professional installation of your new Milltek Sport exhaust system.
OC Motorsport – Ford Performance & Tuning Specialists in Essex.
Please verify vehicle compatibility before ordering. This Race configuration is not E-marked; check applicable road-use and noise requirements before fitting.


