PLM BMW M5 M8 S63R Catted Downpipes F90 2018+ 2006-2011-Honda-Civic-Si 9 LSU Sensor accurately measures

9 LSU Sensor accurately measures the engine's air/fuel ratio

0" mandrel bend stainless steel piping

The  port configuration integrates seamlessly with custom cooling systems and aftermarket setups

Dual exit for the most direct exhaust path

PLM BMW M5 M8 S63R Catted Downpipes F90 2018+ 2006-2011-Honda-Civic-Si 9 LSU Sensor accurately measuresWelded & assembled in the USA High flow catalytic converters 304 grade brushed stainless steel Mandrel bent 3" piping Retain factory mounting brackets High quality flex bellow joints O2 sensor bung holes Includes primary and secondary sections CNC machined v band flanges Includes clamps and hardware One year warranty