SC flange fits the supercharged AW11 downpipe, catalytic converter, or muffler. Laser-cut from 3/8" steel with a machined recess to accommodate the OEM Toyota crush ring style gasket. 2mm deep counterbore on rear face centers flange perfectly on 2.5" OD exhaust tubing. Through hole is 2.4" ID. Great for building your own custom exhaust system.

Sold individually. Photo shows two flanges to illustrate front and rear sides.