200-Cell Catted 4-Inch Downpipe for BMW B46/B48 330i & 430i

Unlock the true potential of your BMW 330i or 430i with this 200-Cell Catted 4-Inch Downpipe, designed for the B46/B48 engine. Engineered to improve exhaust flow and reduce backpressure, this high-performance downpipe enhances horsepower, torque, and turbo spool while maintaining emissions compliance. Featuring a high-flow 200-cell catalytic converter, it delivers a deep, refined exhaust tone without triggering CEL issues.

Why Choose This Downpipe?

• • High-Flow 200-Cell Catalytic Converter – Balances performance gains with emissions control.
  • 4-Inch Stainless Steel Construction – Maximizes exhaust flow for increased power and efficiency.
  • Enhanced Turbo Response – Reduces backpressure, improving throttle response and turbo spool.
  • Refined Exhaust Note – Delivers a deeper, more aggressive tone without excessive drone.
  • OEM Fitment – Direct bolt-on replacement for seamless installation.

Vehicle Compatibility:

✔ BMW G20 330i (2017-2019)
✔ BMW G22 430i (2017-2019)

Upgrade your BMW’s performance with this 200-Cell Catted 4-Inch Downpipe, designed to enhance power, sound, and efficiency while retaining emissions compliance. A must-have for any enthusiast looking to unlock more from their B46/B48 engine!