MST S58 Catted Downpipe — BMW M2 (G87, 2023–2026); M3 (G80, 2021–2026); M4 (G82/G83, 2021–2026); X3 M (F97, 2020–2024); X4 M (F98, 2020–2025) (BW-S5801DP)
Is it street-legal? For off-road/race use only. Not CARB-approved or legal in all regions — verify local laws.
Vehicle Fitment
Part number: BW-S5801DP
Match every detail in the same row. Listed years follow the stated manufacturer or market basis; an engine code by itself does not confirm fitment. Where no full range is established, confirm the model year and engine-bay layout before ordering.
| Vehicle | Chassis | Engine / specification | Supported years | Application details |
|---|---|---|---|---|
| BMW M2 | G87 | S58 | 2023–2026 | Match the listed engine and chassis. |
| BMW M3 | G80 | S58 | 2021–2026 | Match the listed engine and chassis. |
| BMW M4 | G82/G83 | S58 | 2021–2026 | Match the listed engine and chassis. |
| BMW X3 M | F97 | S58 | 2020–2024 | Match the listed engine and chassis. |
| BMW X4 M | F98 | S58 | 2020–2025 | Match the listed engine and chassis. |
Requirements and exclusions
- Confirm emissions/OPF layout and exact downpipe connection; manufacturer names all S58 vehicles.
Confirm fitment with Kies using your model year, engine, production date and a photo of the intake area when a restriction or unconfirmed application is listed.
horsepower*
(dyno-tested max gains)Torque (Nm)*
(dyno-tested max gains)🛑 IMPORTANT: OFF-ROAD / RACE USE ONLY & WARRANTY TERMS
These parts are for OFF-ROAD / RACE USE ONLY. They are not USA 50-state legal and are not legal for street use in some countries.
CAT Warranty (Valid for Two Years): Warranty claims are only approved if a Check Engine Light (CEL) is explicitly triggered due to the catalytic converter. If this occurs, we will provide a replacement downpipe free of charge; however, the customer is fully responsible for all domestic and return shipping fees. The old unit must be returned and confirmed as received by the original dealer before the replacement is shipped.
Suitable for all BMW vehicles with the S58 3.0L engine. Bringing even more performance & exciting exhaust sounds to your vehicle.
Features
- Casted upper stainless steel V-Band ensures precise fitment
- Ultra-high flow 200 cells per square inch catalyst
- Fit on stock tune and remap tunes
- No Check Engine Light (CEL) guarantee
- Covered by a 2-year warranty on the catalytic converter
- Dyno tested max gains 15-20HP and 25Nm TQ
- Excellent turbo response with reduced turbo lag
- Improved throttle response
- More aggressive exhaust sound
- MST catted-downpipe is the best choice for balancing power gains and environmental compliance
⚠️ Before placing an order, please ensure the product is compatible with your vehicle (GPF or non-GPF version).
If you have any questions, feel free to contact us.