KYOSTAR Catless Downpipe for BMW F30 F32 F36 G20 G30 B48 2.0T

KYOSTAR Catless Downpipe for BMW F30 F32 F36 G20 G30 B48 2.0T

The KYOSTAR Catless Downpipe is designed for BMW B48 2.0T turbocharged engines across F-Series and G-Series chassis applications. This high-flow downpipe replaces the restrictive factory catalytic converter section to improve exhaust flow, reduce backpressure, and enhance turbo response for modified BMW vehicles.

Built with stainless steel construction and precision TIG welding, the KYOSTAR downpipe features optimized exhaust routing, factory-style mounting points, and integrated O2 sensor ports. It delivers improved exhaust pulse flow and a more aggressive exhaust tone while maintaining reliable fitment for compatible B48 2.0T platforms.

Fitment

• 2016-2021 BMW F30 320i / 330i B48 2.0T

• 2016-2021 BMW F31 320i / 330i B48 2.0T

• 2016-2021 BMW F32 420i / 430i B48 2.0T

• 2016-2021 BMW F36 420i / 430i B48 2.0T

• 2019+ BMW G20 320i / 330i B48 2.0T

• 2017+ BMW G30 530i B48 2.0T

• 2016-2021 BMW G/F Chassis B48 2.0T Applications

Note:

Compatible engine: BMW B48 2.0T Turbo L4 engine only.
Incompatible engine: Not compatible with B46, B58, N20, N26, N55, S55, or other engine platforms.
Verify chassis: Confirm your BMW F-Series or G-Series chassis before purchase.
Verify year: Check vehicle production year and factory exhaust configuration.
Verify connection: Confirm turbo outlet connection, O2 sensor location, and exhaust mounting points.

Fitment Note:
Vehicle specifications may vary depending on production date, market region, and factory emissions equipment. Different BMW markets may use different sensor locations, exhaust configurations, and mounting points. Previous exhaust modifications may affect installation compatibility.

O2 Sensor Reminder:
Removing the factory catalytic converter may cause a check engine light. ECU calibration or tuning may be required after installation.

ECU Tune Reminder:
Professional ECU tuning is recommended to optimize engine performance and properly manage emissions sensor readings.

Off-road Notice:
This catless downpipe is intended for off-road and motorsport applications only where permitted. It may not comply with local emissions regulations.

Professional installation is recommended.

Product Details