Milltek Ford Focus MK4 ST 2.3l GPF Back Exhaust – Polished GT-115 | SSXFD301
Milltek Sport Ford Focus MK4 ST GPF/OPF Back Exhaust – Polished GT-115
Upgrade the sound, performance character and appearance of your Ford Focus MK4 ST 2.3
EcoBoost with the premium Milltek Sport GPF/OPF Back Exhaust System (SSXFD301), available from OC Motorsport.
Designed specifically for the Ford Focus MK4 ST Hatchback, this high-quality stainless steel performance exhaust delivers a deeper, sportier exhaust note while maintaining everyday usability. The system features dual polished GT-115 exhaust tips, providing a premium motorsport-inspired finish to the rear of your Focus ST.
Manufactured in the UK, Milltek Sport exhaust systems are engineered for exceptional build quality, durability and optimised exhaust gas flow.
Key Features & Benefits
Enhanced Exhaust Sound: Produces a deeper, more engaging exhaust tone compared with the standard factory system.
3-Inch Performance Pipework: 76.2mm stainless steel exhaust system designed for optimised gas flow.
Premium Stainless Steel Construction: Manufactured using high-quality T304 stainless steel for excellent corrosion resistance and durability.
Dual Polished GT-115 Tailpipes: Stylish 115mm polished exhaust trims for a premium finish.
GPF/OPF Back Design: Retains the vehicle's original petrol particulate filter while enhancing exhaust sound.
EC Approved: E-marked exhaust system designed for road use on the specified compatible vehicle.
Vehicle-Specific Fitment: Designed for the Ford Focus MK4 ST 2.3-litre EcoBoost Hatchback with factory GPF/OPF.
Vehicle Compatibility
Manufacturer: Ford
Model: Focus MK4 ST Hatchback
Engine: 2.3L EcoBoost Petrol
Model Year: 2019 onwards
Exhaust Type: GPF/OPF Back
Tailpipe Finish: Polished GT-115
Pipe Diameter: 76.2mm / 3 inches
Manufacturer: Milltek Sport
Product Code: SSXFD301
Suitable for compatible GPF/OPF-equipped hatchback models. Please confirm your vehicle specification before ordering.
Why Choose Milltek Sport?
Milltek Sport is a leading British manufacturer of premium performance exhaust systems, trusted by enthusiasts around the world.
Its exhaust systems combine precision engineering, stainless steel construction and extensive development to achieve an impressive balance of sound, quality and durability.
The SSXFD301 is an excellent upgrade for Focus ST owners looking for improved exhaust character without removing the factory particulate filter.
Order Your Milltek Exhaust from OC Motorsport
At OC Motorsport, based in Battlesbridge, Essex, we specialise in Ford performance upgrades, exhaust systems, remapping, servicing and vehicle tuning.
Whether you're upgrading your road car or building your ideal Ford Focus ST, our experienced team can help you select the right performance parts.
Professional installation enquiries welcome.
Order your Milltek Sport Focus MK4 ST exhaust from OC Motorsport today, or contact us for fitment advice.


