This is the second replacement catalytic converter for my Chevy S-10 2.2 liter 4 cylinder. The original was replaced at 150,000 km. The first replacement was the Fischer brand and lasted about 30,000 miles. My car now has just over 180,000 km on it. Fisher and Flowmaster are a perfect match but have minor cosmetic differences. Both units came with a gasket set. Installation and removal was the same for both. Fisher: Features tapered flanges on each end of the mounting brackets, just like theβ¦