Please be aware that our website does not do live stock tracking If you would like to know the delivery timescale of an item, please contact our support team via the contact page.
Some items are made to order and some are also shipped direct from the supplier, which can cause delays.
After the worldwide pandemic, lots of suppliers are struggling with core materials to produce the parts and we have many back ordered lines. If You place the order and then decide to cancel once payment has been made there will be charges applied- this also applies to out of stock and discontinued product orders if you choose to cancel, Sale Items are Non Refundable, please see our cancellations policy, Cancellations and Returns page - If You are ordering from outside the UK please be aware there may be import taxes due when the item reaches your country, you are responsible for these charges - See Here Delivery Information Page.

I understand

Your basket is empty

Basket total: £0.00

Show menu

Select Car / Category

2025 Clearance DEALS SCC Tuning Vektor Gauges Motul Sprint Boosters ProSport Coilovers Tyre Tagz Chemical Guys DPF Cleaning Service SCC Transport Trackday Essentials Ford Touch Up Paint Car MultiMedia Airtec Parts Revo Hardware Racingline P3 Gauges Scorpion Exhausts Forge Motorsport Powerflex Milltek Exhausts Maxton Styling Ferodo Brakes Audi BMW Ford Fiat Honda Toyota Hyundai Land Rover Vauxhall Volkswagen Tesla Race Simulators Car Care Goodridge Brake Hoses Tyres Instructions ECU Remapping Tools St Albans Car Clinic Deposits

Milltek Exhausts

Choose your car to view Milltek exhausts available for your vehicle. We we offer free fitting on all Cat-Back Exhausts at our workshop.

Milltek Exhausts

Vehicle Manufacturer

Model

Model Variant

Milltek Exhausts for Seat Leon ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF equipped)

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Cerakote Black Quad GT-80 Tips)

£1548.63

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Polished Quad GT-80 Tips)

£1421.62

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Cerakote Black Quad GT-80 Tips Non-Resonated)

£1414.82

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Cerakote Black Oval Tips)

£1397.57

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Polished Oval Tips)

£1303.47

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Polished Quad GT-80 Tips Non-Resonated)

£1287.81

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Cerakote Black Oval Tips Non-Resonated)

£1263.75

Milltek Downpipe & Sports Cat for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped)

£1056.77 (Was £1174.19)

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Polished Oval Tips Non-Resonated)

£1169.66

Milltek Downpipe & Sports Cat for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped)

£1047.16 (Was £1163.51)

Milltek Downpipe & Sports Cat for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (GPF Delete)

£781.59 (Was £868.43)

Milltek Downpipe & Sports Cat for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (GPF Delete)

£771.98 (Was £857.75)

Milltek Downpipe & De-Cat Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped)

£495.73 (Was £550.81)

Milltek Downpipe & De-Cat Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped)

£486.12 (Was £540.13)

Milltek GPF/OPF Bypass for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped)

£297.00

Subscribe to SCC

Join our Newsletter for offers and events

Keep up to date with new parts, check out our latest photos and view our upcoming events and track days we

Part Fitting Services

To enquire about having any of our products listed on this website fitted or intalled to your vehicle. Please call our workshop in St Albans, Hertfordshire, UK on: 01727867747. In addition to part fitting we also carry out Servicing, MOTS, Diagnostics & Repairs.

Click here to learn more about our Workshop Services

Important Info

Contact SCC

01727867747 8.00am - 6.00pm Monday-Friday
Closed Saturday/Sunday

orders@focusrsparts.co.uk

Select Car / Category

Milltek Exhausts

Milltek Exhausts for Seat Leon ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF equipped)

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Cerakote Black Quad GT-80 Tips)

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Polished Quad GT-80 Tips)

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Cerakote Black Quad GT-80 Tips Non-Resonated)

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Cerakote Black Oval Tips)

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Polished Oval Tips)

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Polished Quad GT-80 Tips Non-Resonated)

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Cerakote Black Oval Tips Non-Resonated)

Milltek Downpipe & Sports Cat for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped)

Milltek Cat-back Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (Polished Oval Tips Non-Resonated)

Milltek Downpipe & Sports Cat for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped)

Milltek Downpipe & Sports Cat for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (GPF Delete)

Milltek Downpipe & Sports Cat for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped) (GPF Delete)

Milltek Downpipe & De-Cat Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped)

Milltek Downpipe & De-Cat Exhaust System for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped)

Milltek GPF/OPF Bypass for Seat Leon (2019-2021) ST Cupra 300 (4x4) Estate / Station Wagon / Combi (OPF/GPF Equipped)

Subscribe to SCC

Follow us

Part Fitting Services

Important Info

Contact SCC