Active Autowerke S63 N63 Catted Downpipes V8 BMW X5 M and X6 M X5 X6 550i 650i (11-041) 40080 Aerodynamic design optimized for your

Aerodynamic design optimized for your vehicle

Mandrel-bent aluminum intake tube paired with oversized oiled cotton air filter

making them compatible with larger turbochargers

Our beautiful carbon fiber intake system does away with the closed airbox design and uses a massive 7" washable and reusable cotton filter with a frontal inlet and 4" rear outlet

Innovative muffler design enables maximum volume when valve is open

Active Autowerke S63 N63 Catted Downpipes V8 BMW X5 M and X6 M X5 X6 550i 650i (11-041) 40080 Aerodynamic design optimized for yourActive Autowerke presents the handmade Signature S63 N63 Catted Downpipes for twin turbo V8 BMW models including X5 M, X6 M, 550i, 650i, X5, and X6. Designed specifically for vehicle specific fitment, these downpipes optimize turbo spool and power delivery while maintaining emissions compliance outside California. Includes an EPA registered pair of 4. 5" ultra high flow GESI catalytic converters, fully OBD2 compliant with no check engine light