Fabspeed BMW B58 (40i) Sport Catalytic Converter Downpipe (2019+) 971 V6 (2017+) via full CAN BUS integration

via full CAN BUS integration with built in safety controls

please note your octane preferences

Life-time warranty

Adds 45 whp (wheel horsepower) and 38 ft/lbs of ft-lbs of torque

we recommend checking out the Maxflo Performance Exhaust or the Supercup Exhaust System

Fabspeed BMW B58 (40i) Sport Catalytic Converter Downpipe (2019+) 971 V6 (2017+) via full CAN BUS integrationThis 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