

Why buy from us?
Vehicle Fitment
Listed fitment: BMW X3 X3 M, X4 M, including Competition.
If you are unsure which Scorpion system or option fits your vehicle, contact us before ordering.
Scorpion BMW X3 M, X4 M, including Competition De-Cat Downpipes
Tax included. Shipping calculated at checkout
Scorpion systems are hand crafted in Derbyshire. Manufactured-to-order items are typically around 2–3 weeks; contact us for the current production ETA if you have a deadline.
Scorpion De-Cat Downpipes for the BMW X3 M, X4 M, including Competition (2019–2021). This vehicle-specific downpipe replaces the applicable factory downpipe section to reduce restriction in the exhaust path and is intended to form part of a correctly matched performance exhaust setup.
Scorpion's car exhaust range is designed, developed and manufactured in Derbyshire, UK. Scorpion specifies T304 motorsport-grade stainless steel across its performance exhaust systems, with vehicle-specific pipework, tailpipe and valve configurations depending on the application.
Product specification
- Manufacturer: Scorpion Exhausts
- Vehicle: BMW X3 M, X4 M, including Competition
- Production years: 2019–2021
- Product type: De-Cat Downpipes
- Pipe diameter: 89.9mm, 3.5"
- Fits to: OEM, Scorpion
- Scorpion part number: SBMC090
- Published component weight: 5.4kg (approximately 2.1kg lighter than the published OE figure)
Important manufacturer notes
- Fits pre-LCI only. Engine management light may be activated, Stage 2 ECU remap recommended
Fitment and ordering
Compatible with the listed original or matching Scorpion exhaust section. Before ordering, confirm the exact model, production year, engine, drivetrain, body style and GPF/DPF status against your vehicle. Where multiple configurations are available, choose the required tailpipe or system option from the variant selector.
Road-use and emissions notice
This component alters or removes part of the factory emissions-control system. Check UK MOT requirements and the laws applicable where the vehicle will be used. ECU calibration or additional supporting modifications may be required where stated by Scorpion.
Why choose Scorpion?
Scorpion has manufactured stainless-steel performance exhausts in Derbyshire since 1992. For fitment help before ordering, contact Nineteen72 Performance with your registration or VIN and the Scorpion part number.
Product specifications
- Brand
- Scorpion Exhausts
- Product type
- De-Cat Downpipe
- Part number / SKU
- SBMC090
- Barcode
- 8486470790306
- Vehicle make
- BMW
- Vehicle model
- X3
- Vehicle variant
- X3 M, X4 M, including Competition
Exhaust fitment varies by model year, GPF/PPF configuration, body style and tailpipe option. Contact us with your registration or VIN if unsure.
Warranty: Products are supplied with the applicable manufacturer warranty.
Shipping: Current stock and production lead times are shown above.
Returns: Made-to-order or configured items may have different cancellation/return conditions.
Klarna payment options are available at checkout where eligible.
Why buy from us?
Vehicle Fitment
Listed fitment: BMW X3 X3 M, X4 M, including Competition.
If you are unsure which Scorpion system or option fits your vehicle, contact us before ordering.
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