This is Fabspeed BMW M5 F10 Primary Sport Cat Downpipes.
Fits all BMW F10 M5 vehicles (2011+)
Replaces the restrictive factory catalytic converters with ultr premium quality HJS German emissions technology extra large 200CPSI catalytic converters for increased throttle response, and a more aggressive exhaust sound
Constructed out of T304L stainless steel with CNC machined flanges and laser cut brackets
Manufactured entirely in-house by our precision machine shop at Fabspeed Motorsport
Ultimate quality designed, engineered, Dyno developed at Fabspeed with 25 years of Excellence.
Designed to fit seamlessly with the factory rear catback F10 M5 exhaust system and are also compatible with any other aftermarket exhaust system that is designed to accept fitment of the BMW OEM catalytic converters.
Includes two downpipes, labeled left side and right side for easy installation, with hardware included.
Optimized for maximum performance with NO catalyst generated check engine light, guaranteed
Any other aftermarket brand catalytic converter is unacceptable for the Ultimate Driving Machine. Caveat Emptor.
Fabspeed Motorsport USA 25+ years of Excellence and Experience.