Mini cat for O2 sensor bung, 90 degree

This mini cat is useful in mounting exhaust systems for testing of track evaluation purposes. This tester is right angle (90 degree)for special clearance application. It has a mini 400 cell cat in it to help in evaluation.The Racing Dynamics mini catalytic converter is manufactured out of stainless steel. Has M18X1.5 threads to screw directly into the O2 bung.