Eventuri BMW N55 Black Carbon V2 Sealed Duct Upgrade Exterior Fabspeed's Secondary Catbypass Pipe replaces

Fabspeed's Secondary Catbypass Pipe replaces the restrictive factory catalytic converter with a much less restrictive straight-through pipe for maximum flow and performance

It will rub against the body heat shielding in the process

2 GT3 with the all mighty 4

1 only) and dual-style

Eventuri BMW N55 Black Carbon V2 Sealed Duct Upgrade Exterior Fabspeed's Secondary Catbypass Pipe replacesCarbon Intake Duct With Shield upgrade for those with the Eventuri Version 1 Intake System The filter housing is positioned with its opening sealed against this new carbon duct. This carbon duct has been designed to fit over the stock cold air duct and direct ambient air from the scoop into the filter. It seals against the engine bay heat whilst still allowing some air entry from the cold side of the engine bay where the hood meets the wing. In