1. Ubwoko bwa catalizike: Platinum, palladium, rhodium, nibindi byuma byagaciro nibintu bidasanzwe byubutaka bwa catalizator.
2. Catalyst substrate: Honeycomb ceramic substrate, substrate yicyuma.
3. Igifuniko cyiza kubikorwa bikomeye, birambye kandi bihamye.
4. Ikoranabuhanga rigezweho hamwe nubuhanga bwo gupakira kugirango habeho ihungabana ryumuriro hamwe nubukanishi.
5. Ibinyuranye, byuzuye, ibisabwa byabakiriya kandi birashobora gushingira kubipimo bya tekiniki kugirango uhuze ibyifuzo byabakiriya batandukanye.
6.Ushobora guhura na Euro3, Euro4, Euro5 cyangwa CARB, EPA.