Description
Upgrade your BMW B58-powered vehicle with the DCE Parts B58 Gen 3 / B58TU2 Downpipe, specifically designed for select BMW G-Series models. This performance-focused downpipe is engineered to improve exhaust gas flow and reduce backpressure, helping optimize turbocharger response and overall engine performance.
Designed for the BMW G20/G21 M340i, G22/G23/G26 M440i, and G60 550e xDrive, this downpipe provides a direct-fit performance upgrade for vehicles equipped with the specified Slip-On Clamp Type connection.
Performance Benefits
The larger-diameter DCE Parts B58 Downpipe is designed to improve exhaust gas flow and reduce backpressure. This can help the turbocharger spool more efficiently and build boost more quickly, particularly at lower engine speeds and following gear changes.
The downpipe can also enhance the exhaust sound, providing a more aggressive exhaust character. Actual performance results will vary depending on the vehicle, ECU calibration, supporting modifications, and overall setup.
Key Features
- Designed for BMW B58 Gen 3 / B58TU2 engines
- Designed specifically for select BMW G-Series applications
- Slip-On Clamp Type connection
- Larger-diameter design for improved exhaust flow
- Helps reduce exhaust backpressure
- May improve turbocharger response and spool characteristics
- Can enhance exhaust sound
- Performance-oriented exhaust upgrade
- Designed for the specified BMW applications
Specifications
- Engine: BMW B58 Gen 3 / B58TU2
- Connection Type: Slip-On Clamp
- Specification: US / Slip-On Spec
- Application: BMW G-Series
- Product Type: Performance Downpipe
Important Fitment Information
Please note that this B58 Downpipe is designed specifically for vehicles with the Slip-On Clamp Type connection.
Please verify your vehicle's engine, chassis, and exhaust connection type before ordering.
When in doubt, please provide your VIN number so fitment can be double-checked before purchase.
Fitment
BMW 3 Series
- G20 M340i – B58 Gen 3 / B58TU2
- G21 M340i – B58 Gen 3 / B58TU2
BMW 4 Series
- G22 M440i – B58 Gen 3 / B58TU2
- G23 M440i – B58 Gen 3 / B58TU2
- G26 M440i – B58 Gen 3 / B58TU2
BMW 5 Series
- G60 550e xDrive – B58 Gen 3 / B58TU2
Installation & ECU Calibration
Professional installation is recommended. Depending on the vehicle configuration and exhaust setup, ECU calibration may be required to optimize engine operation after installation.
Legal Disclaimer
Certain exhaust components or tuning products may alter emissions-related equipment. These products may be intended for off-road, race, competition, or motorsport use only and may not be legal for use on public roads in your jurisdiction.
It is the buyer's responsibility to verify compliance with all applicable local, state, federal, and national laws before purchasing or installing this product. Installation or use of emissions-related products on pollution-controlled vehicles may violate applicable regulations, including the U.S. Clean Air Act, and could result in fines or penalties.
Use at your own risk.
