Fabspeed BMW B58N Sport Catalytic Converter Downpipe (2023+) Electrical How Does the Carbon Fiber

How Does the Carbon Fiber Material Hold Up Against Weather Conditions

30-34ft-lb

Fits all Lamborghini Aventador LP700-4 models

Fits all Porsche 996 GT3 Mark II 3

CAD designed X-Pipe made using investment casting for maximum possible flow and spectacular sports car sound

Fabspeed BMW B58N Sport Catalytic Converter Downpipe (2023+) Electrical How Does the Carbon FiberThis downpipe feature German made HJS 200 cell EURO 6 compliant trimetallic catalytic converters. We use 4 in piping from the engine side to the cat, and 3 in tubing from the cat to the rest of the exhaust. Our larger catalytic converters are better because they allow for more exhaust flow and the increased catalysts surface area allows for better exhaust gas filtering which means emissions compliance that will NOT trigger a check engine light. Our