CBM custom exhaust flanges for Chevrolet LS1, LS2, LS3, LS6, LS7, and LS9. These flanges are 3/8" thick laser cut cold rolled steel and are perfect for custom exhaust or turbo set up. The ports are slightly over-sized to allow for better airflow. Port size is 1-3/4".

Sold as a pair.

Sold as a pair.