Wagner Tuning BMW F-Series B58 Catted Downpipe Kit
Upgrade the exhaust performance of your BMW B58-powered model with the Wagner Tuning Catted Downpipe Kit. Designed for improved exhaust flow and reduced turbocharger back pressure, this high-performance downpipe delivers increased torque, faster turbo response, and enhanced engine efficiency.
Manufactured from premium SS304 stainless steel, the system features a full 3.5-inch design with a high-flow 200CPSI EU6 racing metal catalytic converter. A catless version is also available for motorsport applications.
Compatible with:
BMW M140i / M140ix
BMW M240i
BMW 340i
BMW 440i
BMW 540i
Only suitable for vehicles without GPF.
Features:
- 200CPSI EU6 Racing Catalytic Converter
- Optional Catless Version Available
- Full 3.5-Inch Downpipe Design
- SS304 Stainless Steel Construction
- Reduced Turbocharger Back Pressure
- Improved Exhaust Flow
- Increased Torque & Power
- Reduced Thermal Load on Turbocharger
- Direct OEM Replacement Fitment
- Adapter for Factory Exhaust Included
Benefits:
- Faster Turbo Response
- Improved Engine Performance
- Enhanced Exhaust Efficiency
- Suitable for Street & Performance Applications
Note:
DME warning lights or ECU coding may be required after installation depending on vehicle setup and local regulations.

