OEM AE86 Catalyst Gasket Set of (2)

OEM AE86 Catalyst Gasket Set of (2). If you use a commercially available oval gasket, the gasket will not cover the depression of the catalyst, and exhaust leakage is likely to occur.
The genuine product is a type that fits in the recess of the catalyst.

*In the case of AE86 model year 1983/August or earlier, the shape of the catalyst is slightly different, and the gasket may be smaller than the aperture on the rear side of the exhaust.