Description
Upgrade your BMW B48-powered vehicle with the DCE Parts B48 Downpipe, designed to improve exhaust flow, turbocharger response, and overall exhaust sound. This downpipe is engineered specifically for select BMW G-Chassis models and the Toyota Supra A90 B48 2.0.
Important: This downpipe is designed for vehicles equipped with OE bracket number 18 32 8 659 800 and a Slip-On connection to the cat-back exhaust.
Product Features
The larger-diameter DCE Parts B48 Downpipe is designed to reduce exhaust backpressure and improve exhaust gas flow. This can help the turbocharger spool more efficiently and improve throttle response, particularly during acceleration and gear changes.
Depending on the vehicle's configuration and supporting modifications, installation may contribute to improved performance and a more aggressive exhaust note. Actual performance results will vary based on the vehicle, engine calibration, and other modifications.
Key Features
- Designed for BMW B48 G-Chassis applications
- Compatible with Slip-On cat-back connections
- Designed for vehicles using OE bracket 18 32 8 659 800
- Larger-diameter construction for improved exhaust flow
- Helps reduce exhaust backpressure
- May improve turbocharger spool and throttle response
- Can enhance exhaust sound
- Available in multiple catalytic-converter configurations
- Suitable for select BMW and Toyota Supra B48 applications
Specifications
- Engine: BMW B48
- Connection Type: Slip-On
- Required OE Bracket: 18 32 8 659 800
- Maximum Diameter: 5.7" / 145 mm including heat shield
- Diameter Without Heat Shield: 5.5" / 140 mm
- Application: G-Chassis BMW B48 vehicles and Toyota Supra A90 B48 2.0
Available Options
DCE Parts offers different downpipe configurations to suit various performance and exhaust setups. Available options include:
- Catalytic Converter Configuration
- High-Flow Catalytic Converter Configuration
Please select the appropriate configuration for your vehicle and intended application.
Fitment
BMW 2 Series
- G42 220i
- G42 230i
BMW 3 Series
- G20 320i
- G20 320i xDrive
- G20 330e
- G20 330e xDrive
- G20 330i
- G20 330i xDrive
- G21 320i
- G21 320i xDrive
- G21 330e
- G21 330e xDrive
- G21 330i
- G21 330i xDrive
BMW X3
- G01 X3 20i
- G01 X3 20i xDrive
- G01 X3 30i xDrive
BMW X4
- G02 X4 20i xDrive
- G02 X4 30i xDrive
Toyota
- A90 Toyota Supra B48 2.0
Critical Fitment Information
Please verify the vehicle before ordering.
This downpipe is specifically designed for:
- BMW B48 engines
- Vehicles using OE bracket 18 32 8 659 800
- Vehicles equipped with a Slip-On connection to the cat-back exhaust
The required bracket has a mounting point on both the bottom and top. Please compare your existing bracket with the product images or contact us to confirm fitment before purchasing.
Installation & Tuning
Professional installation is recommended. Depending on the selected configuration and vehicle setup, ECU calibration may be required to optimize operation and prevent potential warning lights.
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.