Stainless steel downpipe for BMW 550i and 650i models with the N63B44B V8 engine. Designed to improve exhaust gas flow compared to the original system. The 76 mm diameter reduces restriction, resulting in increased performance potential and a more direct throttle response. Supplied as a two-piece set with lambda probe connections.
Advantages
• Improved exhaust gas flow
• More performance potential
• More direct throttle response
• High-quality stainless steel construction
• Equipped with lambda probe connections
Technical specifications
• Type: Downpipe
• Material: Stainless steel
• Diameter: 76 mm
• Configuration: 2-piece set
• Lambda probe connections: 2 per downpipe
• Mounting: bolt-on
Compatibility
• BMW 5-Series LCI F10 / F11
– 550i
– Engine: N63B44B V8
- Year of construction 07.2013 – 2017
• BMW 6-Series Gran Coupe F06
– 650i
– Engine: N63B44B V8
- Year of construction 2012 – 2017
Contents
• Stainless steel downpipe (2-piece set)
Frequently Asked Questions
Is this downpipe street legal?
This depends on local regulations and the design of the exhaust system. Always check this beforehand.
Can lambda sensors be mounted?
Yes, every downpipe is equipped with lambda probe connections.
Is ECU tuning recommended?
Yes, an ECU modification is recommended for optimal operation and maximum performance.